Home / 230,684,392.56-318,345,431.92-124,837,812.87

Finding the Fourth Proportional to 230,684,392.56, 318,345,431.92 and 124,837,812.87

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Solution

The fourth proportional to 230,684,392.56, 318,345,431.92 and 124,837,812.87 is: 172,276,706.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,684,392.56 : 318,345,431.92 = 124,837,812.87 : x
  2. Step 2: Convert to fraction form
    230,684,392.56/318,345,431.92 = 124,837,812.87/x
  3. Step 3: Cross multiply
    230,684,392.56x = 318,345,431.92 × 124,837,812.87
  4. Step 4: Simplify right side
    230,684,392.56x = 39,741,547,456,542,392
  5. Step 5: Solve for x
    x = 39,741,547,456,542,392/230,684,392.56
  6. Step 6: Final answer
    x = 172,276,706.78

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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.