Home / 217,740,256.30-326,610,384.45-216,228,601.90

Finding the Fourth Proportional to 217,740,256.30, 326,610,384.45 and 216,228,601.90

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Solution

The fourth proportional to 217,740,256.30, 326,610,384.45 and 216,228,601.90 is: 324,342,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,740,256.30 : 326,610,384.45 = 216,228,601.90 : x
  2. Step 2: Convert to fraction form
    217,740,256.30/326,610,384.45 = 216,228,601.90/x
  3. Step 3: Cross multiply
    217,740,256.30x = 326,610,384.45 × 216,228,601.90
  4. Step 4: Simplify right side
    217,740,256.30x = 70,622,506,795,645,000
  5. Step 5: Solve for x
    x = 70,622,506,795,645,000/217,740,256.30
  6. Step 6: Final answer
    x = 324,342,902.85

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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.