Home / 247,946,063.91-371,972,904.27-75,418,393.37

Finding the Fourth Proportional to 247,946,063.91, 371,972,904.27 and 75,418,393.37

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Solution

The fourth proportional to 247,946,063.91, 371,972,904.27 and 75,418,393.37 is: 113,143,957.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,946,063.91 : 371,972,904.27 = 75,418,393.37 : x
  2. Step 2: Convert to fraction form
    247,946,063.91/371,972,904.27 = 75,418,393.37/x
  3. Step 3: Cross multiply
    247,946,063.91x = 371,972,904.27 × 75,418,393.37
  4. Step 4: Simplify right side
    247,946,063.91x = 28,053,598,816,286,280
  5. Step 5: Solve for x
    x = 28,053,598,816,286,280/247,946,063.91
  6. Step 6: Final answer
    x = 113,143,957.09

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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.