Home / 82,686,144-124,030,321.92-25,952,448

Finding the Fourth Proportional to 82,686,144, 124,030,321.92 and 25,952,448

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Solution

The fourth proportional to 82,686,144, 124,030,321.92 and 25,952,448 is: 38,929,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,686,144 : 124,030,321.92 = 25,952,448 : x
  2. Step 2: Convert to fraction form
    82,686,144/124,030,321.92 = 25,952,448/x
  3. Step 3: Cross multiply
    82,686,144x = 124,030,321.92 × 25,952,448
  4. Step 4: Simplify right side
    82,686,144x = 3,218,890,480,052,060
  5. Step 5: Solve for x
    x = 3,218,890,480,052,060/82,686,144
  6. Step 6: Final answer
    x = 38,929,019.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.