Home / 125,976,101.10-188,935,793.55-45,197,069.10

Finding the Fourth Proportional to 125,976,101.10, 188,935,793.55 and 45,197,069.10

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Solution

The fourth proportional to 125,976,101.10, 188,935,793.55 and 45,197,069.10 is: 67,785,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,976,101.10 : 188,935,793.55 = 45,197,069.10 : x
  2. Step 2: Convert to fraction form
    125,976,101.10/188,935,793.55 = 45,197,069.10/x
  3. Step 3: Cross multiply
    125,976,101.10x = 188,935,793.55 × 45,197,069.10
  4. Step 4: Simplify right side
    125,976,101.10x = 8,539,344,116,542,685
  5. Step 5: Solve for x
    x = 8,539,344,116,542,685/125,976,101.10
  6. Step 6: Final answer
    x = 67,785,429.47

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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.