Home / 151,516,044.33-209,092,203.18-81,901,425.03

Finding the Fourth Proportional to 151,516,044.33, 209,092,203.18 and 81,901,425.03

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Solution

The fourth proportional to 151,516,044.33, 209,092,203.18 and 81,901,425.03 is: 113,024,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,516,044.33 : 209,092,203.18 = 81,901,425.03 : x
  2. Step 2: Convert to fraction form
    151,516,044.33/209,092,203.18 = 81,901,425.03/x
  3. Step 3: Cross multiply
    151,516,044.33x = 209,092,203.18 × 81,901,425.03
  4. Step 4: Simplify right side
    151,516,044.33x = 17,124,949,403,104,298
  5. Step 5: Solve for x
    x = 17,124,949,403,104,298/151,516,044.33
  6. Step 6: Final answer
    x = 113,024,000.06

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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.