Home / 159,896,716.25-220,653,403.24-89,332,856.49

Finding the Fourth Proportional to 159,896,716.25, 220,653,403.24 and 89,332,856.49

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Solution

The fourth proportional to 159,896,716.25, 220,653,403.24 and 89,332,856.49 is: 123,277,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,896,716.25 : 220,653,403.24 = 89,332,856.49 : x
  2. Step 2: Convert to fraction form
    159,896,716.25/220,653,403.24 = 89,332,856.49/x
  3. Step 3: Cross multiply
    159,896,716.25x = 220,653,403.24 × 89,332,856.49
  4. Step 4: Simplify right side
    159,896,716.25x = 19,711,598,805,445,688
  5. Step 5: Solve for x
    x = 19,711,598,805,445,688/159,896,716.25
  6. Step 6: Final answer
    x = 123,277,070.77

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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.