Home / 82,420,443.40-123,630,665.10-24,953,081.80

Finding the Fourth Proportional to 82,420,443.40, 123,630,665.10 and 24,953,081.80

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Solution

The fourth proportional to 82,420,443.40, 123,630,665.10 and 24,953,081.80 is: 37,429,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,420,443.40 : 123,630,665.10 = 24,953,081.80 : x
  2. Step 2: Convert to fraction form
    82,420,443.40/123,630,665.10 = 24,953,081.80/x
  3. Step 3: Cross multiply
    82,420,443.40x = 123,630,665.10 × 24,953,081.80
  4. Step 4: Simplify right side
    82,420,443.40x = 3,084,966,099,228,705
  5. Step 5: Solve for x
    x = 3,084,966,099,228,705/82,420,443.40
  6. Step 6: Final answer
    x = 37,429,622.70

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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.