Home / 66,069,605.50-91,178,614.38-36,703,167.28

Finding the Fourth Proportional to 66,069,605.50, 91,178,614.38 and 36,703,167.28

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Solution

The fourth proportional to 66,069,605.50, 91,178,614.38 and 36,703,167.28 is: 50,651,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,069,605.50 : 91,178,614.38 = 36,703,167.28 : x
  2. Step 2: Convert to fraction form
    66,069,605.50/91,178,614.38 = 36,703,167.28/x
  3. Step 3: Cross multiply
    66,069,605.50x = 91,178,614.38 × 36,703,167.28
  4. Step 4: Simplify right side
    66,069,605.50x = 3,346,543,935,947,753.50
  5. Step 5: Solve for x
    x = 3,346,543,935,947,753.50/66,069,605.50
  6. Step 6: Final answer
    x = 50,651,792.31

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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.