Home / 48,315,238.40-72,381,415.14-28,560,221.74

Finding the Fourth Proportional to 48,315,238.40, 72,381,415.14 and 28,560,221.74

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Solution

The fourth proportional to 48,315,238.40, 72,381,415.14 and 28,560,221.74 is: 42,786,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,315,238.40 : 72,381,415.14 = 28,560,221.74 : x
  2. Step 2: Convert to fraction form
    48,315,238.40/72,381,415.14 = 28,560,221.74/x
  3. Step 3: Cross multiply
    48,315,238.40x = 72,381,415.14 × 28,560,221.74
  4. Step 4: Simplify right side
    48,315,238.40x = 2,067,229,266,525,978
  5. Step 5: Solve for x
    x = 2,067,229,266,525,978/48,315,238.40
  6. Step 6: Final answer
    x = 42,786,278.93

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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.