Home / 111,586,381.38-153,991,047.78-61,352,722.44

Finding the Fourth Proportional to 111,586,381.38, 153,991,047.78 and 61,352,722.44

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Solution

The fourth proportional to 111,586,381.38, 153,991,047.78 and 61,352,722.44 is: 84,667,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,586,381.38 : 153,991,047.78 = 61,352,722.44 : x
  2. Step 2: Convert to fraction form
    111,586,381.38/153,991,047.78 = 61,352,722.44/x
  3. Step 3: Cross multiply
    111,586,381.38x = 153,991,047.78 × 61,352,722.44
  4. Step 4: Simplify right side
    111,586,381.38x = 9,447,770,012,691,118
  5. Step 5: Solve for x
    x = 9,447,770,012,691,118/111,586,381.38
  6. Step 6: Final answer
    x = 84,667,769.45

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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.