Home / 81,608,428.80-122,384,066.40-24,085,468.80

Finding the Fourth Proportional to 81,608,428.80, 122,384,066.40 and 24,085,468.80

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Solution

The fourth proportional to 81,608,428.80, 122,384,066.40 and 24,085,468.80 is: 36,119,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,608,428.80 : 122,384,066.40 = 24,085,468.80 : x
  2. Step 2: Convert to fraction form
    81,608,428.80/122,384,066.40 = 24,085,468.80/x
  3. Step 3: Cross multiply
    81,608,428.80x = 122,384,066.40 × 24,085,468.80
  4. Step 4: Simplify right side
    81,608,428.80x = 2,947,677,612,894,328.50
  5. Step 5: Solve for x
    x = 2,947,677,612,894,328.50/81,608,428.80
  6. Step 6: Final answer
    x = 36,119,769.20

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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.