Home / 279,339,221.60-419,008,832.40-158,406,869.60

Finding the Fourth Proportional to 279,339,221.60, 419,008,832.40 and 158,406,869.60

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Solution

The fourth proportional to 279,339,221.60, 419,008,832.40 and 158,406,869.60 is: 237,610,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,339,221.60 : 419,008,832.40 = 158,406,869.60 : x
  2. Step 2: Convert to fraction form
    279,339,221.60/419,008,832.40 = 158,406,869.60/x
  3. Step 3: Cross multiply
    279,339,221.60x = 419,008,832.40 × 158,406,869.60
  4. Step 4: Simplify right side
    279,339,221.60x = 66,373,877,475,235,048
  5. Step 5: Solve for x
    x = 66,373,877,475,235,048/279,339,221.60
  6. Step 6: Final answer
    x = 237,610,304.40

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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.