Home / 217,833,332.40-326,749,998.60-79,658,672.40

Finding the Fourth Proportional to 217,833,332.40, 326,749,998.60 and 79,658,672.40

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Solution

The fourth proportional to 217,833,332.40, 326,749,998.60 and 79,658,672.40 is: 119,488,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,833,332.40 : 326,749,998.60 = 79,658,672.40 : x
  2. Step 2: Convert to fraction form
    217,833,332.40/326,749,998.60 = 79,658,672.40/x
  3. Step 3: Cross multiply
    217,833,332.40x = 326,749,998.60 × 79,658,672.40
  4. Step 4: Simplify right side
    217,833,332.40x = 26,028,471,095,177,864
  5. Step 5: Solve for x
    x = 26,028,471,095,177,864/217,833,332.40
  6. Step 6: Final answer
    x = 119,488,008.60

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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.