Home / 66,159,943.43-91,287,342.36-38,652,557.27

Finding the Fourth Proportional to 66,159,943.43, 91,287,342.36 and 38,652,557.27

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Solution

The fourth proportional to 66,159,943.43, 91,287,342.36 and 38,652,557.27 is: 53,332,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,159,943.43 : 91,287,342.36 = 38,652,557.27 : x
  2. Step 2: Convert to fraction form
    66,159,943.43/91,287,342.36 = 38,652,557.27/x
  3. Step 3: Cross multiply
    66,159,943.43x = 91,287,342.36 × 38,652,557.27
  4. Step 4: Simplify right side
    66,159,943.43x = 3,528,489,228,139,560.50
  5. Step 5: Solve for x
    x = 3,528,489,228,139,560.50/66,159,943.43
  6. Step 6: Final answer
    x = 53,332,712.30

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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.