Home / 48,315,257.04-72,381,443.07-28,560,240.36

Finding the Fourth Proportional to 48,315,257.04, 72,381,443.07 and 28,560,240.36

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Solution

The fourth proportional to 48,315,257.04, 72,381,443.07 and 28,560,240.36 is: 42,786,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,315,257.04 : 72,381,443.07 = 28,560,240.36 : x
  2. Step 2: Convert to fraction form
    48,315,257.04/72,381,443.07 = 28,560,240.36/x
  3. Step 3: Cross multiply
    48,315,257.04x = 72,381,443.07 × 28,560,240.36
  4. Step 4: Simplify right side
    48,315,257.04x = 2,067,231,411,682,856
  5. Step 5: Solve for x
    x = 2,067,231,411,682,856/48,315,257.04
  6. Step 6: Final answer
    x = 42,786,306.82

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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.