Home / 103,611,603,815.90-155,417,405,723.85-96,173,130,427.10

Finding the Fourth Proportional to 103,611,603,815.90, 155,417,405,723.85 and 96,173,130,427.10

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Solution

The fourth proportional to 103,611,603,815.90, 155,417,405,723.85 and 96,173,130,427.10 is: 144,259,695,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,611,603,815.90 : 155,417,405,723.85 = 96,173,130,427.10 : x
  2. Step 2: Convert to fraction form
    103,611,603,815.90/155,417,405,723.85 = 96,173,130,427.10/x
  3. Step 3: Cross multiply
    103,611,603,815.90x = 155,417,405,723.85 × 96,173,130,427.10
  4. Step 4: Simplify right side
    103,611,603,815.90x = 14,946,978,431,321,346,408,448
  5. Step 5: Solve for x
    x = 14,946,978,431,321,346,408,448/103,611,603,815.90
  6. Step 6: Final answer
    x = 144,259,695,640.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.