Home / 151,714,939.95-209,366,617.05-82,100,320.61

Finding the Fourth Proportional to 151,714,939.95, 209,366,617.05 and 82,100,320.61

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Solution

The fourth proportional to 151,714,939.95, 209,366,617.05 and 82,100,320.61 is: 113,298,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714,939.95 : 209,366,617.05 = 82,100,320.61 : x
  2. Step 2: Convert to fraction form
    151,714,939.95/209,366,617.05 = 82,100,320.61/x
  3. Step 3: Cross multiply
    151,714,939.95x = 209,366,617.05 × 82,100,320.61
  4. Step 4: Simplify right side
    151,714,939.95x = 17,189,066,383,789,262
  5. Step 5: Solve for x
    x = 17,189,066,383,789,262/151,714,939.95
  6. Step 6: Final answer
    x = 113,298,442.39

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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.