Home / 82,944,645.40-124,416,968.10-73,202,872.60

Finding the Fourth Proportional to 82,944,645.40, 124,416,968.10 and 73,202,872.60

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Solution

The fourth proportional to 82,944,645.40, 124,416,968.10 and 73,202,872.60 is: 109,804,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,645.40 : 124,416,968.10 = 73,202,872.60 : x
  2. Step 2: Convert to fraction form
    82,944,645.40/124,416,968.10 = 73,202,872.60/x
  3. Step 3: Cross multiply
    82,944,645.40x = 124,416,968.10 × 73,202,872.60
  4. Step 4: Simplify right side
    82,944,645.40x = 9,107,679,465,102,562
  5. Step 5: Solve for x
    x = 9,107,679,465,102,562/82,944,645.40
  6. Step 6: Final answer
    x = 109,804,308.90

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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.