Home / 423,991,705.12-635,987,779.45-132,881,500.62

Finding the Fourth Proportional to 423,991,705.12, 635,987,779.45 and 132,881,500.62

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Solution

The fourth proportional to 423,991,705.12, 635,987,779.45 and 132,881,500.62 is: 199,322,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,991,705.12 : 635,987,779.45 = 132,881,500.62 : x
  2. Step 2: Convert to fraction form
    423,991,705.12/635,987,779.45 = 132,881,500.62/x
  3. Step 3: Cross multiply
    423,991,705.12x = 635,987,779.45 × 132,881,500.62
  4. Step 4: Simplify right side
    423,991,705.12x = 84,511,010,508,633,200
  5. Step 5: Solve for x
    x = 84,511,010,508,633,200/423,991,705.12
  6. Step 6: Final answer
    x = 199,322,320.43

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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.