Home / 57,289,640.70-85,808,489.85-30,331,803.90

Finding the Fourth Proportional to 57,289,640.70, 85,808,489.85 and 30,331,803.90

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Solution

The fourth proportional to 57,289,640.70, 85,808,489.85 and 30,331,803.90 is: 45,431,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,289,640.70 : 85,808,489.85 = 30,331,803.90 : x
  2. Step 2: Convert to fraction form
    57,289,640.70/85,808,489.85 = 30,331,803.90/x
  3. Step 3: Cross multiply
    57,289,640.70x = 85,808,489.85 × 30,331,803.90
  4. Step 4: Simplify right side
    57,289,640.70x = 2,602,726,287,085,340
  5. Step 5: Solve for x
    x = 2,602,726,287,085,340/57,289,640.70
  6. Step 6: Final answer
    x = 45,431,010.83

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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.