Home / 178,690,178.70-268,035,268.05-133,340,546.70

Finding the Fourth Proportional to 178,690,178.70, 268,035,268.05 and 133,340,546.70

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Solution

The fourth proportional to 178,690,178.70, 268,035,268.05 and 133,340,546.70 is: 200,010,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,690,178.70 : 268,035,268.05 = 133,340,546.70 : x
  2. Step 2: Convert to fraction form
    178,690,178.70/268,035,268.05 = 133,340,546.70/x
  3. Step 3: Cross multiply
    178,690,178.70x = 268,035,268.05 × 133,340,546.70
  4. Step 4: Simplify right side
    178,690,178.70x = 35,739,969,176,668,044
  5. Step 5: Solve for x
    x = 35,739,969,176,668,044/178,690,178.70
  6. Step 6: Final answer
    x = 200,010,820.05

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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.