Home / 57,282,658.93-79,052,009.97-31,178,123.92

Finding the Fourth Proportional to 57,282,658.93, 79,052,009.97 and 31,178,123.92

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Solution

The fourth proportional to 57,282,658.93, 79,052,009.97 and 31,178,123.92 is: 43,026,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,282,658.93 : 79,052,009.97 = 31,178,123.92 : x
  2. Step 2: Convert to fraction form
    57,282,658.93/79,052,009.97 = 31,178,123.92/x
  3. Step 3: Cross multiply
    57,282,658.93x = 79,052,009.97 × 31,178,123.92
  4. Step 4: Simplify right side
    57,282,658.93x = 2,464,693,362,969,735.50
  5. Step 5: Solve for x
    x = 2,464,693,362,969,735.50/57,282,658.93
  6. Step 6: Final answer
    x = 43,026,867.28

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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.