Home / 86,923,377.28-119,955,215.55-47,765,164.15

Finding the Fourth Proportional to 86,923,377.28, 119,955,215.55 and 47,765,164.15

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Solution

The fourth proportional to 86,923,377.28, 119,955,215.55 and 47,765,164.15 is: 65,916,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,923,377.28 : 119,955,215.55 = 47,765,164.15 : x
  2. Step 2: Convert to fraction form
    86,923,377.28/119,955,215.55 = 47,765,164.15/x
  3. Step 3: Cross multiply
    86,923,377.28x = 119,955,215.55 × 47,765,164.15
  4. Step 4: Simplify right side
    86,923,377.28x = 5,729,680,561,394,382
  5. Step 5: Solve for x
    x = 5,729,680,561,394,382/86,923,377.28
  6. Step 6: Final answer
    x = 65,916,451.25

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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.