Home / 125,087,579.34-187,654,941.84-47,387,755.86

Finding the Fourth Proportional to 125,087,579.34, 187,654,941.84 and 47,387,755.86

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Solution

The fourth proportional to 125,087,579.34, 187,654,941.84 and 47,387,755.86 is: 71,090,564.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,087,579.34 : 187,654,941.84 = 47,387,755.86 : x
  2. Step 2: Convert to fraction form
    125,087,579.34/187,654,941.84 = 47,387,755.86/x
  3. Step 3: Cross multiply
    125,087,579.34x = 187,654,941.84 × 47,387,755.86
  4. Step 4: Simplify right side
    125,087,579.34x = 8,892,546,569,836,419
  5. Step 5: Solve for x
    x = 8,892,546,569,836,419/125,087,579.34
  6. Step 6: Final answer
    x = 71,090,564.04

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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.