Home / 260,701,048.38-390,990,951.96-97,015,891.78

Finding the Fourth Proportional to 260,701,048.38, 390,990,951.96 and 97,015,891.78

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Solution

The fourth proportional to 260,701,048.38, 390,990,951.96 and 97,015,891.78 is: 145,501,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,701,048.38 : 390,990,951.96 = 97,015,891.78 : x
  2. Step 2: Convert to fraction form
    260,701,048.38/390,990,951.96 = 97,015,891.78/x
  3. Step 3: Cross multiply
    260,701,048.38x = 390,990,951.96 × 97,015,891.78
  4. Step 4: Simplify right side
    260,701,048.38x = 37,932,335,882,310,536
  5. Step 5: Solve for x
    x = 37,932,335,882,310,536/260,701,048.38
  6. Step 6: Final answer
    x = 145,501,278.64

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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.