Home / 127,626,646.87-191,446,758.75-40,195,001.17

Finding the Fourth Proportional to 127,626,646.87, 191,446,758.75 and 40,195,001.17

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Solution

The fourth proportional to 127,626,646.87, 191,446,758.75 and 40,195,001.17 is: 60,294,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,626,646.87 : 191,446,758.75 = 40,195,001.17 : x
  2. Step 2: Convert to fraction form
    127,626,646.87/191,446,758.75 = 40,195,001.17/x
  3. Step 3: Cross multiply
    127,626,646.87x = 191,446,758.75 × 40,195,001.17
  4. Step 4: Simplify right side
    127,626,646.87x = 7,695,202,691,948,958
  5. Step 5: Solve for x
    x = 7,695,202,691,948,958/127,626,646.87
  6. Step 6: Final answer
    x = 60,294,639.72

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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.