Home / 113,785,712-157,031,393.28-64,234,480.96

Finding the Fourth Proportional to 113,785,712, 157,031,393.28 and 64,234,480.96

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Solution

The fourth proportional to 113,785,712, 157,031,393.28 and 64,234,480.96 is: 88,647,597.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,785,712 : 157,031,393.28 = 64,234,480.96 : x
  2. Step 2: Convert to fraction form
    113,785,712/157,031,393.28 = 64,234,480.96/x
  3. Step 3: Cross multiply
    113,785,712x = 157,031,393.28 × 64,234,480.96
  4. Step 4: Simplify right side
    113,785,712x = 10,086,830,041,766,432
  5. Step 5: Solve for x
    x = 10,086,830,041,766,432/113,785,712
  6. Step 6: Final answer
    x = 88,647,597.88

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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.