Home / 125,176,719.91-187,726,650.14-86,563,306.72

Finding the Fourth Proportional to 125,176,719.91, 187,726,650.14 and 86,563,306.72

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Solution

The fourth proportional to 125,176,719.91, 187,726,650.14 and 86,563,306.72 is: 129,818,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,176,719.91 : 187,726,650.14 = 86,563,306.72 : x
  2. Step 2: Convert to fraction form
    125,176,719.91/187,726,650.14 = 86,563,306.72/x
  3. Step 3: Cross multiply
    125,176,719.91x = 187,726,650.14 × 86,563,306.72
  4. Step 4: Simplify right side
    125,176,719.91x = 16,250,239,594,215,502
  5. Step 5: Solve for x
    x = 16,250,239,594,215,502/125,176,719.91
  6. Step 6: Final answer
    x = 129,818,384.81

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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.