Home / 82,969,886.10-124,454,829.15-39,923,165.10

Finding the Fourth Proportional to 82,969,886.10, 124,454,829.15 and 39,923,165.10

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Solution

The fourth proportional to 82,969,886.10, 124,454,829.15 and 39,923,165.10 is: 59,884,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,969,886.10 : 124,454,829.15 = 39,923,165.10 : x
  2. Step 2: Convert to fraction form
    82,969,886.10/124,454,829.15 = 39,923,165.10/x
  3. Step 3: Cross multiply
    82,969,886.10x = 124,454,829.15 × 39,923,165.10
  4. Step 4: Simplify right side
    82,969,886.10x = 4,968,630,691,647,743
  5. Step 5: Solve for x
    x = 4,968,630,691,647,743/82,969,886.10
  6. Step 6: Final answer
    x = 59,884,747.65

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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.