Home / 457,557,087.12-686,340,420.21-181,275,542.25

Finding the Fourth Proportional to 457,557,087.12, 686,340,420.21 and 181,275,542.25

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Solution

The fourth proportional to 457,557,087.12, 686,340,420.21 and 181,275,542.25 is: 271,915,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,557,087.12 : 686,340,420.21 = 181,275,542.25 : x
  2. Step 2: Convert to fraction form
    457,557,087.12/686,340,420.21 = 181,275,542.25/x
  3. Step 3: Cross multiply
    457,557,087.12x = 686,340,420.21 × 181,275,542.25
  4. Step 4: Simplify right side
    457,557,087.12x = 124,416,731,841,660,608
  5. Step 5: Solve for x
    x = 124,416,731,841,660,608/457,557,087.12
  6. Step 6: Final answer
    x = 271,915,210.90

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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.