Home / 102,181,581.58-141,195,035.79-72,761,838.20

Finding the Fourth Proportional to 102,181,581.58, 141,195,035.79 and 72,761,838.20

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Solution

The fourth proportional to 102,181,581.58, 141,195,035.79 and 72,761,838.20 is: 100,542,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,181,581.58 : 141,195,035.79 = 72,761,838.20 : x
  2. Step 2: Convert to fraction form
    102,181,581.58/141,195,035.79 = 72,761,838.20/x
  3. Step 3: Cross multiply
    102,181,581.58x = 141,195,035.79 × 72,761,838.20
  4. Step 4: Simplify right side
    102,181,581.58x = 10,273,610,348,875,320
  5. Step 5: Solve for x
    x = 10,273,610,348,875,320/102,181,581.58
  6. Step 6: Final answer
    x = 100,542,682.84

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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.