Home / 77,613,382.56-116,420,073.95-31,544,458.11

Finding the Fourth Proportional to 77,613,382.56, 116,420,073.95 and 31,544,458.11

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Solution

The fourth proportional to 77,613,382.56, 116,420,073.95 and 31,544,458.11 is: 47,316,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,613,382.56 : 116,420,073.95 = 31,544,458.11 : x
  2. Step 2: Convert to fraction form
    77,613,382.56/116,420,073.95 = 31,544,458.11/x
  3. Step 3: Cross multiply
    77,613,382.56x = 116,420,073.95 × 31,544,458.11
  4. Step 4: Simplify right side
    77,613,382.56x = 3,672,408,145,721,154.50
  5. Step 5: Solve for x
    x = 3,672,408,145,721,154.50/77,613,382.56
  6. Step 6: Final answer
    x = 47,316,687.21

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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.