Home / 251,482,331.70-377,223,497.55-239,578,053.30

Finding the Fourth Proportional to 251,482,331.70, 377,223,497.55 and 239,578,053.30

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Solution

The fourth proportional to 251,482,331.70, 377,223,497.55 and 239,578,053.30 is: 359,367,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,482,331.70 : 377,223,497.55 = 239,578,053.30 : x
  2. Step 2: Convert to fraction form
    251,482,331.70/377,223,497.55 = 239,578,053.30/x
  3. Step 3: Cross multiply
    251,482,331.70x = 377,223,497.55 × 239,578,053.30
  4. Step 4: Simplify right side
    251,482,331.70x = 90,374,471,202,046,320
  5. Step 5: Solve for x
    x = 90,374,471,202,046,320/251,482,331.70
  6. Step 6: Final answer
    x = 359,367,079.95

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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.