Home / 57,223,847.06-78,969,471.26-31,118,932.16

Finding the Fourth Proportional to 57,223,847.06, 78,969,471.26 and 31,118,932.16

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Solution

The fourth proportional to 57,223,847.06, 78,969,471.26 and 31,118,932.16 is: 42,944,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,223,847.06 : 78,969,471.26 = 31,118,932.16 : x
  2. Step 2: Convert to fraction form
    57,223,847.06/78,969,471.26 = 31,118,932.16/x
  3. Step 3: Cross multiply
    57,223,847.06x = 78,969,471.26 × 31,118,932.16
  4. Step 4: Simplify right side
    57,223,847.06x = 2,457,445,618,851,010
  5. Step 5: Solve for x
    x = 2,457,445,618,851,010/57,223,847.06
  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.