Home / 162,385,327.90-243,577,991.85-127,947,951.10

Finding the Fourth Proportional to 162,385,327.90, 243,577,991.85 and 127,947,951.10

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Solution

The fourth proportional to 162,385,327.90, 243,577,991.85 and 127,947,951.10 is: 191,921,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,385,327.90 : 243,577,991.85 = 127,947,951.10 : x
  2. Step 2: Convert to fraction form
    162,385,327.90/243,577,991.85 = 127,947,951.10/x
  3. Step 3: Cross multiply
    162,385,327.90x = 243,577,991.85 × 127,947,951.10
  4. Step 4: Simplify right side
    162,385,327.90x = 31,165,304,990,259,996
  5. Step 5: Solve for x
    x = 31,165,304,990,259,996/162,385,327.90
  6. Step 6: Final answer
    x = 191,921,926.65

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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.