Home / 81,046,508.80-121,569,763.20-24,312,812.80

Finding the Fourth Proportional to 81,046,508.80, 121,569,763.20 and 24,312,812.80

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Solution

The fourth proportional to 81,046,508.80, 121,569,763.20 and 24,312,812.80 is: 36,469,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,046,508.80 : 121,569,763.20 = 24,312,812.80 : x
  2. Step 2: Convert to fraction form
    81,046,508.80/121,569,763.20 = 24,312,812.80/x
  3. Step 3: Cross multiply
    81,046,508.80x = 121,569,763.20 × 24,312,812.80
  4. Step 4: Simplify right side
    81,046,508.80x = 2,955,702,894,821,929
  5. Step 5: Solve for x
    x = 2,955,702,894,821,929/81,046,508.80
  6. Step 6: Final answer
    x = 36,469,219.20

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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.