Home / 100,898,069.68-139,239,335.37-54,488,321.02

Finding the Fourth Proportional to 100,898,069.68, 139,239,335.37 and 54,488,321.02

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Solution

The fourth proportional to 100,898,069.68, 139,239,335.37 and 54,488,321.02 is: 75,193,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,898,069.68 : 139,239,335.37 = 54,488,321.02 : x
  2. Step 2: Convert to fraction form
    100,898,069.68/139,239,335.37 = 54,488,321.02/x
  3. Step 3: Cross multiply
    100,898,069.68x = 139,239,335.37 × 54,488,321.02
  4. Step 4: Simplify right side
    100,898,069.68x = 7,586,917,604,252,001
  5. Step 5: Solve for x
    x = 7,586,917,604,252,001/100,898,069.68
  6. Step 6: Final answer
    x = 75,193,882.58

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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.