Home / 69,584,839.89-96,021,478.98-40,218,074.53

Finding the Fourth Proportional to 69,584,839.89, 96,021,478.98 and 40,218,074.53

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Solution

The fourth proportional to 69,584,839.89, 96,021,478.98 and 40,218,074.53 is: 55,497,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,584,839.89 : 96,021,478.98 = 40,218,074.53 : x
  2. Step 2: Convert to fraction form
    69,584,839.89/96,021,478.98 = 40,218,074.53/x
  3. Step 3: Cross multiply
    69,584,839.89x = 96,021,478.98 × 40,218,074.53
  4. Step 4: Simplify right side
    69,584,839.89x = 3,861,798,998,098,468.50
  5. Step 5: Solve for x
    x = 3,861,798,998,098,468.50/69,584,839.89
  6. Step 6: Final answer
    x = 55,497,706.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.