Home / 289,675,308.80-434,589,945.60-125,842,764.80

Finding the Fourth Proportional to 289,675,308.80, 434,589,945.60 and 125,842,764.80

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Solution

The fourth proportional to 289,675,308.80, 434,589,945.60 and 125,842,764.80 is: 188,797,590.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,675,308.80 : 434,589,945.60 = 125,842,764.80 : x
  2. Step 2: Convert to fraction form
    289,675,308.80/434,589,945.60 = 125,842,764.80/x
  3. Step 3: Cross multiply
    289,675,308.80x = 434,589,945.60 × 125,842,764.80
  4. Step 4: Simplify right side
    289,675,308.80x = 54,690,000,308,585,600
  5. Step 5: Solve for x
    x = 54,690,000,308,585,600/289,675,308.80
  6. Step 6: Final answer
    x = 188,797,590.43

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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.