Home / 111,266,743.56-153,542,708.82-61,709,082.90

Finding the Fourth Proportional to 111,266,743.56, 153,542,708.82 and 61,709,082.90

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Solution

The fourth proportional to 111,266,743.56, 153,542,708.82 and 61,709,082.90 is: 85,155,541.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,266,743.56 : 153,542,708.82 = 61,709,082.90 : x
  2. Step 2: Convert to fraction form
    111,266,743.56/153,542,708.82 = 61,709,082.90/x
  3. Step 3: Cross multiply
    111,266,743.56x = 153,542,708.82 × 61,709,082.90
  4. Step 4: Simplify right side
    111,266,743.56x = 9,474,979,747,263,940
  5. Step 5: Solve for x
    x = 9,474,979,747,263,940/111,266,743.56
  6. Step 6: Final answer
    x = 85,155,541.04

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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.