Home / 151,714,898.70-209,366,560.47-82,100,279.55

Finding the Fourth Proportional to 151,714,898.70, 209,366,560.47 and 82,100,279.55

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Solution

The fourth proportional to 151,714,898.70, 209,366,560.47 and 82,100,279.55 is: 113,298,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714,898.70 : 209,366,560.47 = 82,100,279.55 : x
  2. Step 2: Convert to fraction form
    151,714,898.70/209,366,560.47 = 82,100,279.55/x
  3. Step 3: Cross multiply
    151,714,898.70x = 209,366,560.47 × 82,100,279.55
  4. Step 4: Simplify right side
    151,714,898.70x = 17,189,053,143,008,978
  5. Step 5: Solve for x
    x = 17,189,053,143,008,978/151,714,898.70
  6. Step 6: Final answer
    x = 113,298,385.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.