Home / 252,031,934.46-378,103,426.23-77,156,291.18

Finding the Fourth Proportional to 252,031,934.46, 378,103,426.23 and 77,156,291.18

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Solution

The fourth proportional to 252,031,934.46, 378,103,426.23 and 77,156,291.18 is: 115,751,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,031,934.46 : 378,103,426.23 = 77,156,291.18 : x
  2. Step 2: Convert to fraction form
    252,031,934.46/378,103,426.23 = 77,156,291.18/x
  3. Step 3: Cross multiply
    252,031,934.46x = 378,103,426.23 × 77,156,291.18
  4. Step 4: Simplify right side
    252,031,934.46x = 29,173,058,050,357,532
  5. Step 5: Solve for x
    x = 29,173,058,050,357,532/252,031,934.46
  6. Step 6: Final answer
    x = 115,751,434.88

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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.