Home / 212,869,411.80-319,304,117.70-132,247,843.80

Finding the Fourth Proportional to 212,869,411.80, 319,304,117.70 and 132,247,843.80

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Solution

The fourth proportional to 212,869,411.80, 319,304,117.70 and 132,247,843.80 is: 198,371,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,869,411.80 : 319,304,117.70 = 132,247,843.80 : x
  2. Step 2: Convert to fraction form
    212,869,411.80/319,304,117.70 = 132,247,843.80/x
  3. Step 3: Cross multiply
    212,869,411.80x = 319,304,117.70 × 132,247,843.80
  4. Step 4: Simplify right side
    212,869,411.80x = 42,227,281,082,286,416
  5. Step 5: Solve for x
    x = 42,227,281,082,286,416/212,869,411.80
  6. Step 6: Final answer
    x = 198,371,765.70

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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.