Home / 247,946,064.41-371,972,905.02-75,418,393.87

Finding the Fourth Proportional to 247,946,064.41, 371,972,905.02 and 75,418,393.87

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Solution

The fourth proportional to 247,946,064.41, 371,972,905.02 and 75,418,393.87 is: 113,143,957.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,946,064.41 : 371,972,905.02 = 75,418,393.87 : x
  2. Step 2: Convert to fraction form
    247,946,064.41/371,972,905.02 = 75,418,393.87/x
  3. Step 3: Cross multiply
    247,946,064.41x = 371,972,905.02 × 75,418,393.87
  4. Step 4: Simplify right side
    247,946,064.41x = 28,053,599,058,836,528
  5. Step 5: Solve for x
    x = 28,053,599,058,836,528/247,946,064.41
  6. Step 6: Final answer
    x = 113,143,957.84

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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.