Home / 121,261,815.60-181,919,295.45-59,880,380.10

Finding the Fourth Proportional to 121,261,815.60, 181,919,295.45 and 59,880,380.10

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Solution

The fourth proportional to 121,261,815.60, 181,919,295.45 and 59,880,380.10 is: 89,833,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,261,815.60 : 181,919,295.45 = 59,880,380.10 : x
  2. Step 2: Convert to fraction form
    121,261,815.60/181,919,295.45 = 59,880,380.10/x
  3. Step 3: Cross multiply
    121,261,815.60x = 181,919,295.45 × 59,880,380.10
  4. Step 4: Simplify right side
    121,261,815.60x = 10,893,396,559,070,200
  5. Step 5: Solve for x
    x = 10,893,396,559,070,200/121,261,815.60
  6. Step 6: Final answer
    x = 89,833,691.71

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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.