Home / 167,319,039.60-250,978,559.40-155,981,631.60

Finding the Fourth Proportional to 167,319,039.60, 250,978,559.40 and 155,981,631.60

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Solution

The fourth proportional to 167,319,039.60, 250,978,559.40 and 155,981,631.60 is: 233,972,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,319,039.60 : 250,978,559.40 = 155,981,631.60 : x
  2. Step 2: Convert to fraction form
    167,319,039.60/250,978,559.40 = 155,981,631.60/x
  3. Step 3: Cross multiply
    167,319,039.60x = 250,978,559.40 × 155,981,631.60
  4. Step 4: Simplify right side
    167,319,039.60x = 39,148,045,191,829,520
  5. Step 5: Solve for x
    x = 39,148,045,191,829,520/167,319,039.60
  6. Step 6: Final answer
    x = 233,972,447.40

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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.