Home / 143,479,775.16-215,218,244.43-65,734,626.51

Finding the Fourth Proportional to 143,479,775.16, 215,218,244.43 and 65,734,626.51

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Solution

The fourth proportional to 143,479,775.16, 215,218,244.43 and 65,734,626.51 is: 98,601,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,479,775.16 : 215,218,244.43 = 65,734,626.51 : x
  2. Step 2: Convert to fraction form
    143,479,775.16/215,218,244.43 = 65,734,626.51/x
  3. Step 3: Cross multiply
    143,479,775.16x = 215,218,244.43 × 65,734,626.51
  4. Step 4: Simplify right side
    143,479,775.16x = 14,147,290,915,743,938
  5. Step 5: Solve for x
    x = 14,147,290,915,743,938/143,479,775.16
  6. Step 6: Final answer
    x = 98,601,289.97

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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.