Home / 57,223,849.38-78,969,474.45-31,118,934.48

Finding the Fourth Proportional to 57,223,849.38, 78,969,474.45 and 31,118,934.48

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Solution

The fourth proportional to 57,223,849.38, 78,969,474.45 and 31,118,934.48 is: 42,944,435.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,223,849.38 : 78,969,474.45 = 31,118,934.48 : x
  2. Step 2: Convert to fraction form
    57,223,849.38/78,969,474.45 = 31,118,934.48/x
  3. Step 3: Cross multiply
    57,223,849.38x = 78,969,474.45 × 31,118,934.48
  4. Step 4: Simplify right side
    57,223,849.38x = 2,457,445,901,329,584
  5. Step 5: Solve for x
    x = 2,457,445,901,329,584/57,223,849.38
  6. Step 6: Final answer
    x = 42,944,435.37

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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.