Home / 75,608,923.70-113,413,385.55-72,291,682.10

Finding the Fourth Proportional to 75,608,923.70, 113,413,385.55 and 72,291,682.10

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Solution

The fourth proportional to 75,608,923.70, 113,413,385.55 and 72,291,682.10 is: 108,437,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,608,923.70 : 113,413,385.55 = 72,291,682.10 : x
  2. Step 2: Convert to fraction form
    75,608,923.70/113,413,385.55 = 72,291,682.10/x
  3. Step 3: Cross multiply
    75,608,923.70x = 113,413,385.55 × 72,291,682.10
  4. Step 4: Simplify right side
    75,608,923.70x = 8,198,844,414,065,333
  5. Step 5: Solve for x
    x = 8,198,844,414,065,333/75,608,923.70
  6. Step 6: Final answer
    x = 108,437,523.15

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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.