Home / 125,120,774.04-187,680,785.61-31,747,564.77

Finding the Fourth Proportional to 125,120,774.04, 187,680,785.61 and 31,747,564.77

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Solution

The fourth proportional to 125,120,774.04, 187,680,785.61 and 31,747,564.77 is: 47,621,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,120,774.04 : 187,680,785.61 = 31,747,564.77 : x
  2. Step 2: Convert to fraction form
    125,120,774.04/187,680,785.61 = 31,747,564.77/x
  3. Step 3: Cross multiply
    125,120,774.04x = 187,680,785.61 × 31,747,564.77
  4. Step 4: Simplify right side
    125,120,774.04x = 5,958,407,897,237,959
  5. Step 5: Solve for x
    x = 5,958,407,897,237,959/125,120,774.04
  6. Step 6: Final answer
    x = 47,621,251.89

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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.