Home / 231,887,278.76-347,887,861.50-115,357,617.32

Finding the Fourth Proportional to 231,887,278.76, 347,887,861.50 and 115,357,617.32

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Solution

The fourth proportional to 231,887,278.76, 347,887,861.50 and 115,357,617.32 is: 173,064,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,887,278.76 : 347,887,861.50 = 115,357,617.32 : x
  2. Step 2: Convert to fraction form
    231,887,278.76/347,887,861.50 = 115,357,617.32/x
  3. Step 3: Cross multiply
    231,887,278.76x = 347,887,861.50 × 115,357,617.32
  4. Step 4: Simplify right side
    231,887,278.76x = 40,131,514,797,190,160
  5. Step 5: Solve for x
    x = 40,131,514,797,190,160/231,887,278.76
  6. Step 6: Final answer
    x = 173,064,753.75

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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.