Home / 423,266,616.62-634,981,687.32-160,930,769.78

Finding the Fourth Proportional to 423,266,616.62, 634,981,687.32 and 160,930,769.78

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Solution

The fourth proportional to 423,266,616.62, 634,981,687.32 and 160,930,769.78 is: 241,427,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,266,616.62 : 634,981,687.32 = 160,930,769.78 : x
  2. Step 2: Convert to fraction form
    423,266,616.62/634,981,687.32 = 160,930,769.78/x
  3. Step 3: Cross multiply
    423,266,616.62x = 634,981,687.32 × 160,930,769.78
  4. Step 4: Simplify right side
    423,266,616.62x = 102,188,091,736,610,880
  5. Step 5: Solve for x
    x = 102,188,091,736,610,880/423,266,616.62
  6. Step 6: Final answer
    x = 241,427,241.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.