Home / 125,920,288.66-188,737,155.33-76,627,424.65

Finding the Fourth Proportional to 125,920,288.66, 188,737,155.33 and 76,627,424.65

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Solution

The fourth proportional to 125,920,288.66, 188,737,155.33 and 76,627,424.65 is: 114,853,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,920,288.66 : 188,737,155.33 = 76,627,424.65 : x
  2. Step 2: Convert to fraction form
    125,920,288.66/188,737,155.33 = 76,627,424.65/x
  3. Step 3: Cross multiply
    125,920,288.66x = 188,737,155.33 × 76,627,424.65
  4. Step 4: Simplify right side
    125,920,288.66x = 14,462,442,147,945,722
  5. Step 5: Solve for x
    x = 14,462,442,147,945,722/125,920,288.66
  6. Step 6: Final answer
    x = 114,853,946.91

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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.