Home / 65,611,401.70-98,417,102.55-20,173,196.20

Finding the Fourth Proportional to 65,611,401.70, 98,417,102.55 and 20,173,196.20

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Solution

The fourth proportional to 65,611,401.70, 98,417,102.55 and 20,173,196.20 is: 30,259,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,611,401.70 : 98,417,102.55 = 20,173,196.20 : x
  2. Step 2: Convert to fraction form
    65,611,401.70/98,417,102.55 = 20,173,196.20/x
  3. Step 3: Cross multiply
    65,611,401.70x = 98,417,102.55 × 20,173,196.20
  4. Step 4: Simplify right side
    65,611,401.70x = 1,985,387,519,176,670.25
  5. Step 5: Solve for x
    x = 1,985,387,519,176,670.25/65,611,401.70
  6. Step 6: Final answer
    x = 30,259,794.30

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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.