Home / 125,976,227.10-188,935,982.55-45,197,195.10

Finding the Fourth Proportional to 125,976,227.10, 188,935,982.55 and 45,197,195.10

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Solution

The fourth proportional to 125,976,227.10, 188,935,982.55 and 45,197,195.10 is: 67,785,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,976,227.10 : 188,935,982.55 = 45,197,195.10 : x
  2. Step 2: Convert to fraction form
    125,976,227.10/188,935,982.55 = 45,197,195.10/x
  3. Step 3: Cross multiply
    125,976,227.10x = 188,935,982.55 × 45,197,195.10
  4. Step 4: Simplify right side
    125,976,227.10x = 8,539,376,464,722,546
  5. Step 5: Solve for x
    x = 8,539,376,464,722,546/125,976,227.10
  6. Step 6: Final answer
    x = 67,785,618.46

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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.