Home / 126,159,387.76-189,271,044.16-38,725,337.52

Finding the Fourth Proportional to 126,159,387.76, 189,271,044.16 and 38,725,337.52

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Solution

The fourth proportional to 126,159,387.76, 189,271,044.16 and 38,725,337.52 is: 58,097,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,159,387.76 : 189,271,044.16 = 38,725,337.52 : x
  2. Step 2: Convert to fraction form
    126,159,387.76/189,271,044.16 = 38,725,337.52/x
  3. Step 3: Cross multiply
    126,159,387.76x = 189,271,044.16 × 38,725,337.52
  4. Step 4: Simplify right side
    126,159,387.76x = 7,329,585,067,858,825
  5. Step 5: Solve for x
    x = 7,329,585,067,858,825/126,159,387.76
  6. Step 6: Final answer
    x = 58,097,817.36

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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.