Home / 131,328,101.60-196,992,152.40-40,439,880.80

Finding the Fourth Proportional to 131,328,101.60, 196,992,152.40 and 40,439,880.80

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Solution

The fourth proportional to 131,328,101.60, 196,992,152.40 and 40,439,880.80 is: 60,659,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,101.60 : 196,992,152.40 = 40,439,880.80 : x
  2. Step 2: Convert to fraction form
    131,328,101.60/196,992,152.40 = 40,439,880.80/x
  3. Step 3: Cross multiply
    131,328,101.60x = 196,992,152.40 × 40,439,880.80
  4. Step 4: Simplify right side
    131,328,101.60x = 7,966,339,161,591,434
  5. Step 5: Solve for x
    x = 7,966,339,161,591,434/131,328,101.60
  6. Step 6: Final answer
    x = 60,659,821.20

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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.