Home / 86,452,776-119,305,772.82-47,293,711.92

Finding the Fourth Proportional to 86,452,776, 119,305,772.82 and 47,293,711.92

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Solution

The fourth proportional to 86,452,776, 119,305,772.82 and 47,293,711.92 is: 65,265,837.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,452,776 : 119,305,772.82 = 47,293,711.92 : x
  2. Step 2: Convert to fraction form
    86,452,776/119,305,772.82 = 47,293,711.92/x
  3. Step 3: Cross multiply
    86,452,776x = 119,305,772.82 × 47,293,711.92
  4. Step 4: Simplify right side
    86,452,776x = 5,642,412,850,142,046
  5. Step 5: Solve for x
    x = 5,642,412,850,142,046/86,452,776
  6. Step 6: Final answer
    x = 65,265,837.73

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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.