Home / 151,714,894.31-209,366,554.38-82,100,275.18

Finding the Fourth Proportional to 151,714,894.31, 209,366,554.38 and 82,100,275.18

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Solution

The fourth proportional to 151,714,894.31, 209,366,554.38 and 82,100,275.18 is: 113,298,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714,894.31 : 209,366,554.38 = 82,100,275.18 : x
  2. Step 2: Convert to fraction form
    151,714,894.31/209,366,554.38 = 82,100,275.18/x
  3. Step 3: Cross multiply
    151,714,894.31x = 209,366,554.38 × 82,100,275.18
  4. Step 4: Simplify right side
    151,714,894.31x = 17,189,051,728,086,436
  5. Step 5: Solve for x
    x = 17,189,051,728,086,436/151,714,894.31
  6. Step 6: Final answer
    x = 113,298,379.87

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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.