Home / 80,744,140.80-121,116,211.20-48,495,513.60

Finding the Fourth Proportional to 80,744,140.80, 121,116,211.20 and 48,495,513.60

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Solution

The fourth proportional to 80,744,140.80, 121,116,211.20 and 48,495,513.60 is: 72,743,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,744,140.80 : 121,116,211.20 = 48,495,513.60 : x
  2. Step 2: Convert to fraction form
    80,744,140.80/121,116,211.20 = 48,495,513.60/x
  3. Step 3: Cross multiply
    80,744,140.80x = 121,116,211.20 × 48,495,513.60
  4. Step 4: Simplify right side
    80,744,140.80x = 5,873,592,867,430,073
  5. Step 5: Solve for x
    x = 5,873,592,867,430,073/80,744,140.80
  6. Step 6: Final answer
    x = 72,743,270.40

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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.