Home / 217,620,155.60-326,430,233.40-205,149,006.80

Finding the Fourth Proportional to 217,620,155.60, 326,430,233.40 and 205,149,006.80

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Solution

The fourth proportional to 217,620,155.60, 326,430,233.40 and 205,149,006.80 is: 307,723,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,620,155.60 : 326,430,233.40 = 205,149,006.80 : x
  2. Step 2: Convert to fraction form
    217,620,155.60/326,430,233.40 = 205,149,006.80/x
  3. Step 3: Cross multiply
    217,620,155.60x = 326,430,233.40 × 205,149,006.80
  4. Step 4: Simplify right side
    217,620,155.60x = 66,966,838,171,502,184
  5. Step 5: Solve for x
    x = 66,966,838,171,502,184/217,620,155.60
  6. Step 6: Final answer
    x = 307,723,510.20

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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.