Home / 260,726,187.60-391,136,520.60-131,007,344.40

Finding the Fourth Proportional to 260,726,187.60, 391,136,520.60 and 131,007,344.40

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Solution

The fourth proportional to 260,726,187.60, 391,136,520.60 and 131,007,344.40 is: 196,534,752.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,726,187.60 : 391,136,520.60 = 131,007,344.40 : x
  2. Step 2: Convert to fraction form
    260,726,187.60/391,136,520.60 = 131,007,344.40/x
  3. Step 3: Cross multiply
    260,726,187.60x = 391,136,520.60 × 131,007,344.40
  4. Step 4: Simplify right side
    260,726,187.60x = 51,241,756,861,661,904
  5. Step 5: Solve for x
    x = 51,241,756,861,661,904/260,726,187.60
  6. Step 6: Final answer
    x = 196,534,752.93

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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.