Home / 79,182,468.40-118,738,273.20-36,029,459.20

Finding the Fourth Proportional to 79,182,468.40, 118,738,273.20 and 36,029,459.20

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Solution

The fourth proportional to 79,182,468.40, 118,738,273.20 and 36,029,459.20 is: 54,028,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,182,468.40 : 118,738,273.20 = 36,029,459.20 : x
  2. Step 2: Convert to fraction form
    79,182,468.40/118,738,273.20 = 36,029,459.20/x
  3. Step 3: Cross multiply
    79,182,468.40x = 118,738,273.20 × 36,029,459.20
  4. Step 4: Simplify right side
    79,182,468.40x = 4,278,075,769,737,854
  5. Step 5: Solve for x
    x = 4,278,075,769,737,854/79,182,468.40
  6. Step 6: Final answer
    x = 54,028,067.78

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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.