Home / 151,714,899.20-209,366,561.16-82,100,280.05

Finding the Fourth Proportional to 151,714,899.20, 209,366,561.16 and 82,100,280.05

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Solution

The fourth proportional to 151,714,899.20, 209,366,561.16 and 82,100,280.05 is: 113,298,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714,899.20 : 209,366,561.16 = 82,100,280.05 : x
  2. Step 2: Convert to fraction form
    151,714,899.20/209,366,561.16 = 82,100,280.05/x
  3. Step 3: Cross multiply
    151,714,899.20x = 209,366,561.16 × 82,100,280.05
  4. Step 4: Simplify right side
    151,714,899.20x = 17,189,053,304,341,452
  5. Step 5: Solve for x
    x = 17,189,053,304,341,452/151,714,899.20
  6. Step 6: Final answer
    x = 113,298,386.61

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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.