Home / 161,752,695.30-242,629,042.95-115,836,192.90

Finding the Fourth Proportional to 161,752,695.30, 242,629,042.95 and 115,836,192.90

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Solution

The fourth proportional to 161,752,695.30, 242,629,042.95 and 115,836,192.90 is: 173,754,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,752,695.30 : 242,629,042.95 = 115,836,192.90 : x
  2. Step 2: Convert to fraction form
    161,752,695.30/242,629,042.95 = 115,836,192.90/x
  3. Step 3: Cross multiply
    161,752,695.30x = 242,629,042.95 × 115,836,192.90
  4. Step 4: Simplify right side
    161,752,695.30x = 28,105,224,622,298,584
  5. Step 5: Solve for x
    x = 28,105,224,622,298,584/161,752,695.30
  6. Step 6: Final answer
    x = 173,754,289.35

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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.