Home / 282,582,630.41-389,964,353.25-157,132,132.85

Finding the Fourth Proportional to 282,582,630.41, 389,964,353.25 and 157,132,132.85

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Solution

The fourth proportional to 282,582,630.41, 389,964,353.25 and 157,132,132.85 is: 216,842,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,582,630.41 : 389,964,353.25 = 157,132,132.85 : x
  2. Step 2: Convert to fraction form
    282,582,630.41/389,964,353.25 = 157,132,132.85/x
  3. Step 3: Cross multiply
    282,582,630.41x = 389,964,353.25 × 157,132,132.85
  4. Step 4: Simplify right side
    282,582,630.41x = 61,275,930,559,693,504
  5. Step 5: Solve for x
    x = 61,275,930,559,693,504/282,582,630.41
  6. Step 6: Final answer
    x = 216,842,523.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.