Home / 314,929,349.20-472,394,023.80-161,874,341.20

Finding the Fourth Proportional to 314,929,349.20, 472,394,023.80 and 161,874,341.20

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Solution

The fourth proportional to 314,929,349.20, 472,394,023.80 and 161,874,341.20 is: 242,811,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,349.20 : 472,394,023.80 = 161,874,341.20 : x
  2. Step 2: Convert to fraction form
    314,929,349.20/472,394,023.80 = 161,874,341.20/x
  3. Step 3: Cross multiply
    314,929,349.20x = 472,394,023.80 × 161,874,341.20
  4. Step 4: Simplify right side
    314,929,349.20x = 76,468,471,389,442,112
  5. Step 5: Solve for x
    x = 76,468,471,389,442,112/314,929,349.20
  6. Step 6: Final answer
    x = 242,811,511.80

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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.