Home / 124,111,385.68-171,281,490.78-68,356,795

Finding the Fourth Proportional to 124,111,385.68, 171,281,490.78 and 68,356,795

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Solution

The fourth proportional to 124,111,385.68, 171,281,490.78 and 68,356,795 is: 94,336,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,111,385.68 : 171,281,490.78 = 68,356,795 : x
  2. Step 2: Convert to fraction form
    124,111,385.68/171,281,490.78 = 68,356,795/x
  3. Step 3: Cross multiply
    124,111,385.68x = 171,281,490.78 × 68,356,795
  4. Step 4: Simplify right side
    124,111,385.68x = 11,708,253,752,542,850
  5. Step 5: Solve for x
    x = 11,708,253,752,542,850/124,111,385.68
  6. Step 6: Final answer
    x = 94,336,661.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.