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Finding the Fourth Proportional to 66,337,402.40, 99,506,103.60 and 60,597,839.60

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Solution

The fourth proportional to 66,337,402.40, 99,506,103.60 and 60,597,839.60 is: 90,896,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,337,402.40 : 99,506,103.60 = 60,597,839.60 : x
  2. Step 2: Convert to fraction form
    66,337,402.40/99,506,103.60 = 60,597,839.60/x
  3. Step 3: Cross multiply
    66,337,402.40x = 99,506,103.60 × 60,597,839.60
  4. Step 4: Simplify right side
    66,337,402.40x = 6,029,854,905,173,782
  5. Step 5: Solve for x
    x = 6,029,854,905,173,782/66,337,402.40
  6. Step 6: Final answer
    x = 90,896,759.40

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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.