Home / 81,862,765.20-122,796,116.10-24,356,912.40

Finding the Fourth Proportional to 81,862,765.20, 122,796,116.10 and 24,356,912.40

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Solution

The fourth proportional to 81,862,765.20, 122,796,116.10 and 24,356,912.40 is: 36,535,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,862,765.20 : 122,796,116.10 = 24,356,912.40 : x
  2. Step 2: Convert to fraction form
    81,862,765.20/122,796,116.10 = 24,356,912.40/x
  3. Step 3: Cross multiply
    81,862,765.20x = 122,796,116.10 × 24,356,912.40
  4. Step 4: Simplify right side
    81,862,765.20x = 2,990,934,242,907,929.50
  5. Step 5: Solve for x
    x = 2,990,934,242,907,929.50/81,862,765.20
  6. Step 6: Final answer
    x = 36,535,954.24

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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.