Home / 73,082,043.28-100,845,082.92-40,478,830.48

Finding the Fourth Proportional to 73,082,043.28, 100,845,082.92 and 40,478,830.48

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Solution

The fourth proportional to 73,082,043.28, 100,845,082.92 and 40,478,830.48 is: 55,856,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,082,043.28 : 100,845,082.92 = 40,478,830.48 : x
  2. Step 2: Convert to fraction form
    73,082,043.28/100,845,082.92 = 40,478,830.48/x
  3. Step 3: Cross multiply
    73,082,043.28x = 100,845,082.92 × 40,478,830.48
  4. Step 4: Simplify right side
    73,082,043.28x = 4,082,091,016,260,223
  5. Step 5: Solve for x
    x = 4,082,091,016,260,223/73,082,043.28
  6. Step 6: Final answer
    x = 55,856,279.23

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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.