Home / 84,216,121.20-126,324,181.80-26,712,892.80

Finding the Fourth Proportional to 84,216,121.20, 126,324,181.80 and 26,712,892.80

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Solution

The fourth proportional to 84,216,121.20, 126,324,181.80 and 26,712,892.80 is: 40,069,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,216,121.20 : 126,324,181.80 = 26,712,892.80 : x
  2. Step 2: Convert to fraction form
    84,216,121.20/126,324,181.80 = 26,712,892.80/x
  3. Step 3: Cross multiply
    84,216,121.20x = 126,324,181.80 × 26,712,892.80
  4. Step 4: Simplify right side
    84,216,121.20x = 3,374,484,326,471,111
  5. Step 5: Solve for x
    x = 3,374,484,326,471,111/84,216,121.20
  6. Step 6: Final answer
    x = 40,069,339.20

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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.