Home / 82,700,928.30-124,051,392.45-55,491,149.10

Finding the Fourth Proportional to 82,700,928.30, 124,051,392.45 and 55,491,149.10

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Solution

The fourth proportional to 82,700,928.30, 124,051,392.45 and 55,491,149.10 is: 83,236,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,700,928.30 : 124,051,392.45 = 55,491,149.10 : x
  2. Step 2: Convert to fraction form
    82,700,928.30/124,051,392.45 = 55,491,149.10/x
  3. Step 3: Cross multiply
    82,700,928.30x = 124,051,392.45 × 55,491,149.10
  4. Step 4: Simplify right side
    82,700,928.30x = 6,883,754,314,505,565
  5. Step 5: Solve for x
    x = 6,883,754,314,505,565/82,700,928.30
  6. Step 6: Final answer
    x = 83,236,723.65

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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.