Home / 263,047,026.57-362,990,127.12-143,969,376.29

Finding the Fourth Proportional to 263,047,026.57, 362,990,127.12 and 143,969,376.29

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Solution

The fourth proportional to 263,047,026.57, 362,990,127.12 and 143,969,376.29 is: 198,669,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,047,026.57 : 362,990,127.12 = 143,969,376.29 : x
  2. Step 2: Convert to fraction form
    263,047,026.57/362,990,127.12 = 143,969,376.29/x
  3. Step 3: Cross multiply
    263,047,026.57x = 362,990,127.12 × 143,969,376.29
  4. Step 4: Simplify right side
    263,047,026.57x = 52,259,462,200,894,208
  5. Step 5: Solve for x
    x = 52,259,462,200,894,208/263,047,026.57
  6. Step 6: Final answer
    x = 198,669,655.70

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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.