Home / 165,159,359.73-227,934,440.70-90,833,016.54

Finding the Fourth Proportional to 165,159,359.73, 227,934,440.70 and 90,833,016.54

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Solution

The fourth proportional to 165,159,359.73, 227,934,440.70 and 90,833,016.54 is: 125,357,550.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,159,359.73 : 227,934,440.70 = 90,833,016.54 : x
  2. Step 2: Convert to fraction form
    165,159,359.73/227,934,440.70 = 90,833,016.54/x
  3. Step 3: Cross multiply
    165,159,359.73x = 227,934,440.70 × 90,833,016.54
  4. Step 4: Simplify right side
    165,159,359.73x = 20,703,972,822,138,748
  5. Step 5: Solve for x
    x = 20,703,972,822,138,748/165,159,359.73
  6. Step 6: Final answer
    x = 125,357,550.77

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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.