Home / 42,098,209.25-63,147,316.32-10,185,505.25

Finding the Fourth Proportional to 42,098,209.25, 63,147,316.32 and 10,185,505.25

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Solution

The fourth proportional to 42,098,209.25, 63,147,316.32 and 10,185,505.25 is: 15,278,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,098,209.25 : 63,147,316.32 = 10,185,505.25 : x
  2. Step 2: Convert to fraction form
    42,098,209.25/63,147,316.32 = 10,185,505.25/x
  3. Step 3: Cross multiply
    42,098,209.25x = 63,147,316.32 × 10,185,505.25
  4. Step 4: Simplify right side
    42,098,209.25x = 643,187,321,900,770.62
  5. Step 5: Solve for x
    x = 643,187,321,900,770.62/42,098,209.25
  6. Step 6: Final answer
    x = 15,278,258.47

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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.