Home / 101,491,148.79-140,057,881.43-55,081,414.71

Finding the Fourth Proportional to 101,491,148.79, 140,057,881.43 and 55,081,414.71

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Solution

The fourth proportional to 101,491,148.79, 140,057,881.43 and 55,081,414.71 is: 76,012,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,491,148.79 : 140,057,881.43 = 55,081,414.71 : x
  2. Step 2: Convert to fraction form
    101,491,148.79/140,057,881.43 = 55,081,414.71/x
  3. Step 3: Cross multiply
    101,491,148.79x = 140,057,881.43 × 55,081,414.71
  4. Step 4: Simplify right side
    101,491,148.79x = 7,714,586,250,174,432
  5. Step 5: Solve for x
    x = 7,714,586,250,174,432/101,491,148.79
  6. Step 6: Final answer
    x = 76,012,404.45

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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.