Home / 129,059,631.60-193,589,447.40-114,950,857.20

Finding the Fourth Proportional to 129,059,631.60, 193,589,447.40 and 114,950,857.20

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Solution

The fourth proportional to 129,059,631.60, 193,589,447.40 and 114,950,857.20 is: 172,426,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,059,631.60 : 193,589,447.40 = 114,950,857.20 : x
  2. Step 2: Convert to fraction form
    129,059,631.60/193,589,447.40 = 114,950,857.20/x
  3. Step 3: Cross multiply
    129,059,631.60x = 193,589,447.40 × 114,950,857.20
  4. Step 4: Simplify right side
    129,059,631.60x = 22,253,272,923,504,312
  5. Step 5: Solve for x
    x = 22,253,272,923,504,312/129,059,631.60
  6. Step 6: Final answer
    x = 172,426,285.80

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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.