Home / 125,635,353.80-188,465,472.30-43,741,632.20

Finding the Fourth Proportional to 125,635,353.80, 188,465,472.30 and 43,741,632.20

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Solution

The fourth proportional to 125,635,353.80, 188,465,472.30 and 43,741,632.20 is: 65,616,780.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,635,353.80 : 188,465,472.30 = 43,741,632.20 : x
  2. Step 2: Convert to fraction form
    125,635,353.80/188,465,472.30 = 43,741,632.20/x
  3. Step 3: Cross multiply
    125,635,353.80x = 188,465,472.30 × 43,741,632.20
  4. Step 4: Simplify right side
    125,635,353.80x = 8,243,787,371,745,889
  5. Step 5: Solve for x
    x = 8,243,787,371,745,889/125,635,353.80
  6. Step 6: Final answer
    x = 65,616,780.01

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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.