Home / 81,668,234.10-122,502,351.15-73,590,330.90

Finding the Fourth Proportional to 81,668,234.10, 122,502,351.15 and 73,590,330.90

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Solution

The fourth proportional to 81,668,234.10, 122,502,351.15 and 73,590,330.90 is: 110,385,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,668,234.10 : 122,502,351.15 = 73,590,330.90 : x
  2. Step 2: Convert to fraction form
    81,668,234.10/122,502,351.15 = 73,590,330.90/x
  3. Step 3: Cross multiply
    81,668,234.10x = 122,502,351.15 × 73,590,330.90
  4. Step 4: Simplify right side
    81,668,234.10x = 9,014,988,557,156,496
  5. Step 5: Solve for x
    x = 9,014,988,557,156,496/81,668,234.10
  6. Step 6: Final answer
    x = 110,385,496.35

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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.