Home / 55,166,108.76-76,129,229.67-31,974,687.72

Finding the Fourth Proportional to 55,166,108.76, 76,129,229.67 and 31,974,687.72

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Solution

The fourth proportional to 55,166,108.76, 76,129,229.67 and 31,974,687.72 is: 44,125,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166,108.76 : 76,129,229.67 = 31,974,687.72 : x
  2. Step 2: Convert to fraction form
    55,166,108.76/76,129,229.67 = 31,974,687.72/x
  3. Step 3: Cross multiply
    55,166,108.76x = 76,129,229.67 × 31,974,687.72
  4. Step 4: Simplify right side
    55,166,108.76x = 2,434,208,345,062,408.50
  5. Step 5: Solve for x
    x = 2,434,208,345,062,408.50/55,166,108.76
  6. Step 6: Final answer
    x = 44,125,068.81

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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.