Home / 81,046,920.80-121,570,381.20-24,313,224.80

Finding the Fourth Proportional to 81,046,920.80, 121,570,381.20 and 24,313,224.80

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Solution

The fourth proportional to 81,046,920.80, 121,570,381.20 and 24,313,224.80 is: 36,469,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,046,920.80 : 121,570,381.20 = 24,313,224.80 : x
  2. Step 2: Convert to fraction form
    81,046,920.80/121,570,381.20 = 24,313,224.80/x
  3. Step 3: Cross multiply
    81,046,920.80x = 121,570,381.20 × 24,313,224.80
  4. Step 4: Simplify right side
    81,046,920.80x = 2,955,768,007,137,294
  5. Step 5: Solve for x
    x = 2,955,768,007,137,294/81,046,920.80
  6. Step 6: Final answer
    x = 36,469,837.20

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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.