Home / 57,223,850.38-78,969,475.83-31,118,935.48

Finding the Fourth Proportional to 57,223,850.38, 78,969,475.83 and 31,118,935.48

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Solution

The fourth proportional to 57,223,850.38, 78,969,475.83 and 31,118,935.48 is: 42,944,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,223,850.38 : 78,969,475.83 = 31,118,935.48 : x
  2. Step 2: Convert to fraction form
    57,223,850.38/78,969,475.83 = 31,118,935.48/x
  3. Step 3: Cross multiply
    57,223,850.38x = 78,969,475.83 × 31,118,935.48
  4. Step 4: Simplify right side
    57,223,850.38x = 2,457,446,023,243,189.50
  5. Step 5: Solve for x
    x = 2,457,446,023,243,189.50/57,223,850.38
  6. Step 6: Final answer
    x = 42,944,436.75

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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.