Home / 192,018,944.18-264,986,812.05-103,912,919.78

Finding the Fourth Proportional to 192,018,944.18, 264,986,812.05 and 103,912,919.78

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Solution

The fourth proportional to 192,018,944.18, 264,986,812.05 and 103,912,919.78 is: 143,400,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,018,944.18 : 264,986,812.05 = 103,912,919.78 : x
  2. Step 2: Convert to fraction form
    192,018,944.18/264,986,812.05 = 103,912,919.78/x
  3. Step 3: Cross multiply
    192,018,944.18x = 264,986,812.05 × 103,912,919.78
  4. Step 4: Simplify right side
    192,018,944.18x = 27,535,553,343,309,588
  5. Step 5: Solve for x
    x = 27,535,553,343,309,588/192,018,944.18
  6. Step 6: Final answer
    x = 143,400,191.38

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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.