Home / 81,915,552.30-122,873,328.45-49,771,901.10

Finding the Fourth Proportional to 81,915,552.30, 122,873,328.45 and 49,771,901.10

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Solution

The fourth proportional to 81,915,552.30, 122,873,328.45 and 49,771,901.10 is: 74,657,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,915,552.30 : 122,873,328.45 = 49,771,901.10 : x
  2. Step 2: Convert to fraction form
    81,915,552.30/122,873,328.45 = 49,771,901.10/x
  3. Step 3: Cross multiply
    81,915,552.30x = 122,873,328.45 × 49,771,901.10
  4. Step 4: Simplify right side
    81,915,552.30x = 6,115,639,151,441,217
  5. Step 5: Solve for x
    x = 6,115,639,151,441,217/81,915,552.30
  6. Step 6: Final answer
    x = 74,657,851.65

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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.