Home / 279,339,200.10-419,008,800.15-158,406,848.10

Finding the Fourth Proportional to 279,339,200.10, 419,008,800.15 and 158,406,848.10

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Solution

The fourth proportional to 279,339,200.10, 419,008,800.15 and 158,406,848.10 is: 237,610,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,339,200.10 : 419,008,800.15 = 158,406,848.10 : x
  2. Step 2: Convert to fraction form
    279,339,200.10/419,008,800.15 = 158,406,848.10/x
  3. Step 3: Cross multiply
    279,339,200.10x = 419,008,800.15 × 158,406,848.10
  4. Step 4: Simplify right side
    279,339,200.10x = 66,373,863,357,924,304
  5. Step 5: Solve for x
    x = 66,373,863,357,924,304/279,339,200.10
  6. Step 6: Final answer
    x = 237,610,272.15

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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.