Home / 124,172,497.78-171,361,932.14-71,258,885.70

Finding the Fourth Proportional to 124,172,497.78, 171,361,932.14 and 71,258,885.70

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Solution

The fourth proportional to 124,172,497.78, 171,361,932.14 and 71,258,885.70 is: 98,339,491.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,172,497.78 : 171,361,932.14 = 71,258,885.70 : x
  2. Step 2: Convert to fraction form
    124,172,497.78/171,361,932.14 = 71,258,885.70/x
  3. Step 3: Cross multiply
    124,172,497.78x = 171,361,932.14 × 71,258,885.70
  4. Step 4: Simplify right side
    124,172,497.78x = 12,211,060,335,695,416
  5. Step 5: Solve for x
    x = 12,211,060,335,695,416/124,172,497.78
  6. Step 6: Final answer
    x = 98,339,491.87

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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.