Home / 61,211,862.60-91,817,793.90-20,822,346.60

Finding the Fourth Proportional to 61,211,862.60, 91,817,793.90 and 20,822,346.60

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Solution

The fourth proportional to 61,211,862.60, 91,817,793.90 and 20,822,346.60 is: 31,233,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,211,862.60 : 91,817,793.90 = 20,822,346.60 : x
  2. Step 2: Convert to fraction form
    61,211,862.60/91,817,793.90 = 20,822,346.60/x
  3. Step 3: Cross multiply
    61,211,862.60x = 91,817,793.90 × 20,822,346.60
  4. Step 4: Simplify right side
    61,211,862.60x = 1,911,861,928,633,166
  5. Step 5: Solve for x
    x = 1,911,861,928,633,166/61,211,862.60
  6. Step 6: Final answer
    x = 31,233,519.90

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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.