Home / 51,289,468.65-70,780,249.85-28,086,754.59

Finding the Fourth Proportional to 51,289,468.65, 70,780,249.85 and 28,086,754.59

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Solution

The fourth proportional to 51,289,468.65, 70,780,249.85 and 28,086,754.59 is: 38,760,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,289,468.65 : 70,780,249.85 = 28,086,754.59 : x
  2. Step 2: Convert to fraction form
    51,289,468.65/70,780,249.85 = 28,086,754.59/x
  3. Step 3: Cross multiply
    51,289,468.65x = 70,780,249.85 × 28,086,754.59
  4. Step 4: Simplify right side
    51,289,468.65x = 1,987,987,507,215,400.50
  5. Step 5: Solve for x
    x = 1,987,987,507,215,400.50/51,289,468.65
  6. Step 6: Final answer
    x = 38,760,150.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.