Home / 129,969,123.90-195,028,335.45-49,248,023.10

Finding the Fourth Proportional to 129,969,123.90, 195,028,335.45 and 49,248,023.10

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Solution

The fourth proportional to 129,969,123.90, 195,028,335.45 and 49,248,023.10 is: 73,900,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,969,123.90 : 195,028,335.45 = 49,248,023.10 : x
  2. Step 2: Convert to fraction form
    129,969,123.90/195,028,335.45 = 49,248,023.10/x
  3. Step 3: Cross multiply
    129,969,123.90x = 195,028,335.45 × 49,248,023.10
  4. Step 4: Simplify right side
    129,969,123.90x = 9,604,759,969,396,148
  5. Step 5: Solve for x
    x = 9,604,759,969,396,148/129,969,123.90
  6. Step 6: Final answer
    x = 73,900,320.95

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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.