Home / 217,829,000.40-326,743,500.60-79,654,340.40

Finding the Fourth Proportional to 217,829,000.40, 326,743,500.60 and 79,654,340.40

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Solution

The fourth proportional to 217,829,000.40, 326,743,500.60 and 79,654,340.40 is: 119,481,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,829,000.40 : 326,743,500.60 = 79,654,340.40 : x
  2. Step 2: Convert to fraction form
    217,829,000.40/326,743,500.60 = 79,654,340.40/x
  3. Step 3: Cross multiply
    217,829,000.40x = 326,743,500.60 × 79,654,340.40
  4. Step 4: Simplify right side
    217,829,000.40x = 26,026,538,020,280,008
  5. Step 5: Solve for x
    x = 26,026,538,020,280,008/217,829,000.40
  6. Step 6: Final answer
    x = 119,481,510.60

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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.