Home / 147,645,696.56-221,417,255.12-82,166,758

Finding the Fourth Proportional to 147,645,696.56, 221,417,255.12 and 82,166,758

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Solution

The fourth proportional to 147,645,696.56, 221,417,255.12 and 82,166,758 is: 123,221,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,645,696.56 : 221,417,255.12 = 82,166,758 : x
  2. Step 2: Convert to fraction form
    147,645,696.56/221,417,255.12 = 82,166,758/x
  3. Step 3: Cross multiply
    147,645,696.56x = 221,417,255.12 × 82,166,758
  4. Step 4: Simplify right side
    147,645,696.56x = 18,193,138,018,469,300
  5. Step 5: Solve for x
    x = 18,193,138,018,469,300/147,645,696.56
  6. Step 6: Final answer
    x = 123,221,593.60

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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.