Home / 78,195,761.68-117,312,605.94-23,605,088.36

Finding the Fourth Proportional to 78,195,761.68, 117,312,605.94 and 23,605,088.36

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Solution

The fourth proportional to 78,195,761.68, 117,312,605.94 and 23,605,088.36 is: 35,413,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,195,761.68 : 117,312,605.94 = 23,605,088.36 : x
  2. Step 2: Convert to fraction form
    78,195,761.68/117,312,605.94 = 23,605,088.36/x
  3. Step 3: Cross multiply
    78,195,761.68x = 117,312,605.94 × 23,605,088.36
  4. Step 4: Simplify right side
    78,195,761.68x = 2,769,174,428,955,560.50
  5. Step 5: Solve for x
    x = 2,769,174,428,955,560.50/78,195,761.68
  6. Step 6: Final answer
    x = 35,413,357.06

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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.