Home / 63,187,259.40-87,172,450.56-38,403,453.66

Finding the Fourth Proportional to 63,187,259.40, 87,172,450.56 and 38,403,453.66

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Solution

The fourth proportional to 63,187,259.40, 87,172,450.56 and 38,403,453.66 is: 52,980,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,187,259.40 : 87,172,450.56 = 38,403,453.66 : x
  2. Step 2: Convert to fraction form
    63,187,259.40/87,172,450.56 = 38,403,453.66/x
  3. Step 3: Cross multiply
    63,187,259.40x = 87,172,450.56 × 38,403,453.66
  4. Step 4: Simplify right side
    63,187,259.40x = 3,347,723,165,509,601
  5. Step 5: Solve for x
    x = 3,347,723,165,509,601/63,187,259.40
  6. Step 6: Final answer
    x = 52,980,983.78

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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.