Home / 57,093,700.50-78,789,393.27-30,988,227.87

Finding the Fourth Proportional to 57,093,700.50, 78,789,393.27 and 30,988,227.87

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Solution

The fourth proportional to 57,093,700.50, 78,789,393.27 and 30,988,227.87 is: 42,763,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093,700.50 : 78,789,393.27 = 30,988,227.87 : x
  2. Step 2: Convert to fraction form
    57,093,700.50/78,789,393.27 = 30,988,227.87/x
  3. Step 3: Cross multiply
    57,093,700.50x = 78,789,393.27 × 30,988,227.87
  4. Step 4: Simplify right side
    57,093,700.50x = 2,441,543,672,389,804.50
  5. Step 5: Solve for x
    x = 2,441,543,672,389,804.50/57,093,700.50
  6. Step 6: Final answer
    x = 42,763,801.45

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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.