Home / 125,920,246.64-188,737,092.60-76,627,382.52

Finding the Fourth Proportional to 125,920,246.64, 188,737,092.60 and 76,627,382.52

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Solution

The fourth proportional to 125,920,246.64, 188,737,092.60 and 76,627,382.52 is: 114,853,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,920,246.64 : 188,737,092.60 = 76,627,382.52 : x
  2. Step 2: Convert to fraction form
    125,920,246.64/188,737,092.60 = 76,627,382.52/x
  3. Step 3: Cross multiply
    125,920,246.64x = 188,737,092.60 × 76,627,382.52
  4. Step 4: Simplify right side
    125,920,246.64x = 14,462,429,390,372,860
  5. Step 5: Solve for x
    x = 14,462,429,390,372,860/125,920,246.64
  6. Step 6: Final answer
    x = 114,853,883.92

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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.