Home / 57,223,847.05-78,969,471.26-31,118,932.15

Finding the Fourth Proportional to 57,223,847.05, 78,969,471.26 and 31,118,932.15

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Solution

The fourth proportional to 57,223,847.05, 78,969,471.26 and 31,118,932.15 is: 42,944,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,223,847.05 : 78,969,471.26 = 31,118,932.15 : x
  2. Step 2: Convert to fraction form
    57,223,847.05/78,969,471.26 = 31,118,932.15/x
  3. Step 3: Cross multiply
    57,223,847.05x = 78,969,471.26 × 31,118,932.15
  4. Step 4: Simplify right side
    57,223,847.05x = 2,457,445,618,061,315
  5. Step 5: Solve for x
    x = 2,457,445,618,061,315/57,223,847.05
  6. Step 6: Final answer
    x = 42,944,432.17

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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.