Home / 71,487,399.19-107,182,145.19-36,404,603.17

Finding the Fourth Proportional to 71,487,399.19, 107,182,145.19 and 36,404,603.17

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Solution

The fourth proportional to 71,487,399.19, 107,182,145.19 and 36,404,603.17 is: 54,581,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,487,399.19 : 107,182,145.19 = 36,404,603.17 : x
  2. Step 2: Convert to fraction form
    71,487,399.19/107,182,145.19 = 36,404,603.17/x
  3. Step 3: Cross multiply
    71,487,399.19x = 107,182,145.19 × 36,404,603.17
  4. Step 4: Simplify right side
    71,487,399.19x = 3,901,923,462,214,877.50
  5. Step 5: Solve for x
    x = 3,901,923,462,214,877.50/71,487,399.19
  6. Step 6: Final answer
    x = 54,581,975.38

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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.