Home / 77,874,959.78-116,730,065.19-29,331,810.50

Finding the Fourth Proportional to 77,874,959.78, 116,730,065.19 and 29,331,810.50

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Solution

The fourth proportional to 77,874,959.78, 116,730,065.19 and 29,331,810.50 is: 43,966,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,874,959.78 : 116,730,065.19 = 29,331,810.50 : x
  2. Step 2: Convert to fraction form
    77,874,959.78/116,730,065.19 = 29,331,810.50/x
  3. Step 3: Cross multiply
    77,874,959.78x = 116,730,065.19 × 29,331,810.50
  4. Step 4: Simplify right side
    77,874,959.78x = 3,423,904,151,805,726.50
  5. Step 5: Solve for x
    x = 3,423,904,151,805,726.50/77,874,959.78
  6. Step 6: Final answer
    x = 43,966,689.18

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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.