Home / 217,344,059.40-326,394,002.70-115,307,387.40

Finding the Fourth Proportional to 217,344,059.40, 326,394,002.70 and 115,307,387.40

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Solution

The fourth proportional to 217,344,059.40, 326,394,002.70 and 115,307,387.40 is: 173,161,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,344,059.40 : 326,394,002.70 = 115,307,387.40 : x
  2. Step 2: Convert to fraction form
    217,344,059.40/326,394,002.70 = 115,307,387.40/x
  3. Step 3: Cross multiply
    217,344,059.40x = 326,394,002.70 × 115,307,387.40
  4. Step 4: Simplify right side
    217,344,059.40x = 37,635,639,714,365,544
  5. Step 5: Solve for x
    x = 37,635,639,714,365,544/217,344,059.40
  6. Step 6: Final answer
    x = 173,161,575.33

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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.