Home / 42,246,459.80-63,504,992.10-39,251,144.60

Finding the Fourth Proportional to 42,246,459.80, 63,504,992.10 and 39,251,144.60

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Solution

The fourth proportional to 42,246,459.80, 63,504,992.10 and 39,251,144.60 is: 59,002,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,246,459.80 : 63,504,992.10 = 39,251,144.60 : x
  2. Step 2: Convert to fraction form
    42,246,459.80/63,504,992.10 = 39,251,144.60/x
  3. Step 3: Cross multiply
    42,246,459.80x = 63,504,992.10 × 39,251,144.60
  4. Step 4: Simplify right side
    42,246,459.80x = 2,492,643,627,738,958
  5. Step 5: Solve for x
    x = 2,492,643,627,738,958/42,246,459.80
  6. Step 6: Final answer
    x = 59,002,426.23

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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.