Home / 81,648,002.10-122,472,003.15-73,570,098.90

Finding the Fourth Proportional to 81,648,002.10, 122,472,003.15 and 73,570,098.90

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Solution

The fourth proportional to 81,648,002.10, 122,472,003.15 and 73,570,098.90 is: 110,355,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,648,002.10 : 122,472,003.15 = 73,570,098.90 : x
  2. Step 2: Convert to fraction form
    81,648,002.10/122,472,003.15 = 73,570,098.90/x
  3. Step 3: Cross multiply
    81,648,002.10x = 122,472,003.15 × 73,570,098.90
  4. Step 4: Simplify right side
    81,648,002.10x = 9,010,277,384,226,612
  5. Step 5: Solve for x
    x = 9,010,277,384,226,612/81,648,002.10
  6. Step 6: Final answer
    x = 110,355,148.35

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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.