Home / 217,865,422.60-326,420,220.30-141,148,961.80

Finding the Fourth Proportional to 217,865,422.60, 326,420,220.30 and 141,148,961.80

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Solution

The fourth proportional to 217,865,422.60, 326,420,220.30 and 141,148,961.80 is: 211,478,602.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,865,422.60 : 326,420,220.30 = 141,148,961.80 : x
  2. Step 2: Convert to fraction form
    217,865,422.60/326,420,220.30 = 141,148,961.80/x
  3. Step 3: Cross multiply
    217,865,422.60x = 326,420,220.30 × 141,148,961.80
  4. Step 4: Simplify right side
    217,865,422.60x = 46,073,875,205,872,288
  5. Step 5: Solve for x
    x = 46,073,875,205,872,288/217,865,422.60
  6. Step 6: Final answer
    x = 211,478,602.97

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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.