Home / 82,758,826.80-124,138,240.20-73,671,185.70

Finding the Fourth Proportional to 82,758,826.80, 124,138,240.20 and 73,671,185.70

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Solution

The fourth proportional to 82,758,826.80, 124,138,240.20 and 73,671,185.70 is: 110,506,778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,758,826.80 : 124,138,240.20 = 73,671,185.70 : x
  2. Step 2: Convert to fraction form
    82,758,826.80/124,138,240.20 = 73,671,185.70/x
  3. Step 3: Cross multiply
    82,758,826.80x = 124,138,240.20 × 73,671,185.70
  4. Step 4: Simplify right side
    82,758,826.80x = 9,145,411,346,245,406
  5. Step 5: Solve for x
    x = 9,145,411,346,245,406/82,758,826.80
  6. Step 6: Final answer
    x = 110,506,778.55

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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.