Home / 92,687,942.80-139,094,899.80-51,747,302.80

Finding the Fourth Proportional to 92,687,942.80, 139,094,899.80 and 51,747,302.80

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Solution

The fourth proportional to 92,687,942.80, 139,094,899.80 and 51,747,302.80 is: 77,656,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,687,942.80 : 139,094,899.80 = 51,747,302.80 : x
  2. Step 2: Convert to fraction form
    92,687,942.80/139,094,899.80 = 51,747,302.80/x
  3. Step 3: Cross multiply
    92,687,942.80x = 139,094,899.80 × 51,747,302.80
  4. Step 4: Simplify right side
    92,687,942.80x = 7,197,785,897,886,260
  5. Step 5: Solve for x
    x = 7,197,785,897,886,260/92,687,942.80
  6. Step 6: Final answer
    x = 77,656,118.81

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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.