Home / 51,988,487.20-77,982,730.80-47,957,408.80

Finding the Fourth Proportional to 51,988,487.20, 77,982,730.80 and 47,957,408.80

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Solution

The fourth proportional to 51,988,487.20, 77,982,730.80 and 47,957,408.80 is: 71,936,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988,487.20 : 77,982,730.80 = 47,957,408.80 : x
  2. Step 2: Convert to fraction form
    51,988,487.20/77,982,730.80 = 47,957,408.80/x
  3. Step 3: Cross multiply
    51,988,487.20x = 77,982,730.80 × 47,957,408.80
  4. Step 4: Simplify right side
    51,988,487.20x = 3,739,849,700,315,950.50
  5. Step 5: Solve for x
    x = 3,739,849,700,315,950.50/51,988,487.20
  6. Step 6: Final answer
    x = 71,936,113.20

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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.