Home / 86,291,343.52-119,081,265.28-47,133,108.52

Finding the Fourth Proportional to 86,291,343.52, 119,081,265.28 and 47,133,108.52

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Solution

The fourth proportional to 86,291,343.52, 119,081,265.28 and 47,133,108.52 is: 65,043,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,291,343.52 : 119,081,265.28 = 47,133,108.52 : x
  2. Step 2: Convert to fraction form
    86,291,343.52/119,081,265.28 = 47,133,108.52/x
  3. Step 3: Cross multiply
    86,291,343.52x = 119,081,265.28 × 47,133,108.52
  4. Step 4: Simplify right side
    86,291,343.52x = 5,612,670,198,725,612
  5. Step 5: Solve for x
    x = 5,612,670,198,725,612/86,291,343.52
  6. Step 6: Final answer
    x = 65,043,258.92

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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.