Home / 109,687,876.29-151,367,105.03-60,128,356.77

Finding the Fourth Proportional to 109,687,876.29, 151,367,105.03 and 60,128,356.77

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Solution

The fourth proportional to 109,687,876.29, 151,367,105.03 and 60,128,356.77 is: 82,975,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,687,876.29 : 151,367,105.03 = 60,128,356.77 : x
  2. Step 2: Convert to fraction form
    109,687,876.29/151,367,105.03 = 60,128,356.77/x
  3. Step 3: Cross multiply
    109,687,876.29x = 151,367,105.03 × 60,128,356.77
  4. Step 4: Simplify right side
    109,687,876.29x = 9,101,455,294,185,260
  5. Step 5: Solve for x
    x = 9,101,455,294,185,260/109,687,876.29
  6. Step 6: Final answer
    x = 82,975,945.95

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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.