Home / 143,661,707.80-215,492,561.70-141,394,226.20

Finding the Fourth Proportional to 143,661,707.80, 215,492,561.70 and 141,394,226.20

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Solution

The fourth proportional to 143,661,707.80, 215,492,561.70 and 141,394,226.20 is: 212,091,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,661,707.80 : 215,492,561.70 = 141,394,226.20 : x
  2. Step 2: Convert to fraction form
    143,661,707.80/215,492,561.70 = 141,394,226.20/x
  3. Step 3: Cross multiply
    143,661,707.80x = 215,492,561.70 × 141,394,226.20
  4. Step 4: Simplify right side
    143,661,707.80x = 30,469,404,013,427,252
  5. Step 5: Solve for x
    x = 30,469,404,013,427,252/143,661,707.80
  6. Step 6: Final answer
    x = 212,091,339.30

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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.