Home / 151,513,318.64-209,033,456.28-124,127,179.76

Finding the Fourth Proportional to 151,513,318.64, 209,033,456.28 and 124,127,179.76

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Solution

The fourth proportional to 151,513,318.64, 209,033,456.28 and 124,127,179.76 is: 171,250,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,513,318.64 : 209,033,456.28 = 124,127,179.76 : x
  2. Step 2: Convert to fraction form
    151,513,318.64/209,033,456.28 = 124,127,179.76/x
  3. Step 3: Cross multiply
    151,513,318.64x = 209,033,456.28 × 124,127,179.76
  4. Step 4: Simplify right side
    151,513,318.64x = 25,946,733,403,521,664
  5. Step 5: Solve for x
    x = 25,946,733,403,521,664/151,513,318.64
  6. Step 6: Final answer
    x = 171,250,512.08

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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.