Home / 103,611,603,810.40-155,417,405,715.60-96,173,130,421.60

Finding the Fourth Proportional to 103,611,603,810.40, 155,417,405,715.60 and 96,173,130,421.60

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Solution

The fourth proportional to 103,611,603,810.40, 155,417,405,715.60 and 96,173,130,421.60 is: 144,259,695,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,611,603,810.40 : 155,417,405,715.60 = 96,173,130,421.60 : x
  2. Step 2: Convert to fraction form
    103,611,603,810.40/155,417,405,715.60 = 96,173,130,421.60/x
  3. Step 3: Cross multiply
    103,611,603,810.40x = 155,417,405,715.60 × 96,173,130,421.60
  4. Step 4: Simplify right side
    103,611,603,810.40x = 14,946,978,429,673,121,251,328
  5. Step 5: Solve for x
    x = 14,946,978,429,673,121,251,328/103,611,603,810.40
  6. Step 6: Final answer
    x = 144,259,695,632.40

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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.