Home / 407,261,207.20-610,891,810.80-134,631,974.20

Finding the Fourth Proportional to 407,261,207.20, 610,891,810.80 and 134,631,974.20

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Solution

The fourth proportional to 407,261,207.20, 610,891,810.80 and 134,631,974.20 is: 201,947,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,261,207.20 : 610,891,810.80 = 134,631,974.20 : x
  2. Step 2: Convert to fraction form
    407,261,207.20/610,891,810.80 = 134,631,974.20/x
  3. Step 3: Cross multiply
    407,261,207.20x = 610,891,810.80 × 134,631,974.20
  4. Step 4: Simplify right side
    407,261,207.20x = 82,245,570,510,616,864
  5. Step 5: Solve for x
    x = 82,245,570,510,616,864/407,261,207.20
  6. Step 6: Final answer
    x = 201,947,961.30

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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.