Home / 217,553,045.40-326,707,481.70-115,516,373.40

Finding the Fourth Proportional to 217,553,045.40, 326,707,481.70 and 115,516,373.40

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Solution

The fourth proportional to 217,553,045.40, 326,707,481.70 and 115,516,373.40 is: 173,475,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,553,045.40 : 326,707,481.70 = 115,516,373.40 : x
  2. Step 2: Convert to fraction form
    217,553,045.40/326,707,481.70 = 115,516,373.40/x
  3. Step 3: Cross multiply
    217,553,045.40x = 326,707,481.70 × 115,516,373.40
  4. Step 4: Simplify right side
    217,553,045.40x = 37,740,063,448,630,864
  5. Step 5: Solve for x
    x = 37,740,063,448,630,864/217,553,045.40
  6. Step 6: Final answer
    x = 173,475,224.76

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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.