Home / 42,992,163.20-64,488,244.80-25,986,051.20

Finding the Fourth Proportional to 42,992,163.20, 64,488,244.80 and 25,986,051.20

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Solution

The fourth proportional to 42,992,163.20, 64,488,244.80 and 25,986,051.20 is: 38,979,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,992,163.20 : 64,488,244.80 = 25,986,051.20 : x
  2. Step 2: Convert to fraction form
    42,992,163.20/64,488,244.80 = 25,986,051.20/x
  3. Step 3: Cross multiply
    42,992,163.20x = 64,488,244.80 × 25,986,051.20
  4. Step 4: Simplify right side
    42,992,163.20x = 1,675,794,831,170,933.75
  5. Step 5: Solve for x
    x = 1,675,794,831,170,933.75/42,992,163.20
  6. Step 6: Final answer
    x = 38,979,076.80

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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.