Home / 151,580,456.41-209,182,280.95-83,687,761.49

Finding the Fourth Proportional to 151,580,456.41, 209,182,280.95 and 83,687,761.49

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Solution

The fourth proportional to 151,580,456.41, 209,182,280.95 and 83,687,761.49 is: 115,489,801.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,580,456.41 : 209,182,280.95 = 83,687,761.49 : x
  2. Step 2: Convert to fraction form
    151,580,456.41/209,182,280.95 = 83,687,761.49/x
  3. Step 3: Cross multiply
    151,580,456.41x = 209,182,280.95 × 83,687,761.49
  4. Step 4: Simplify right side
    151,580,456.41x = 17,505,996,835,842,794
  5. Step 5: Solve for x
    x = 17,505,996,835,842,794/151,580,456.41
  6. Step 6: Final answer
    x = 115,489,801.59

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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.