Home / 407,261,205.20-610,891,807.80-134,631,972.20

Finding the Fourth Proportional to 407,261,205.20, 610,891,807.80 and 134,631,972.20

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Solution

The fourth proportional to 407,261,205.20, 610,891,807.80 and 134,631,972.20 is: 201,947,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,261,205.20 : 610,891,807.80 = 134,631,972.20 : x
  2. Step 2: Convert to fraction form
    407,261,205.20/610,891,807.80 = 134,631,972.20/x
  3. Step 3: Cross multiply
    407,261,205.20x = 610,891,807.80 × 134,631,972.20
  4. Step 4: Simplify right side
    407,261,205.20x = 82,245,568,884,937,328
  5. Step 5: Solve for x
    x = 82,245,568,884,937,328/407,261,205.20
  6. Step 6: Final answer
    x = 201,947,958.30

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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.