Home / 217,609,810.80-326,414,716.20-152,986,585.20

Finding the Fourth Proportional to 217,609,810.80, 326,414,716.20 and 152,986,585.20

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Solution

The fourth proportional to 217,609,810.80, 326,414,716.20 and 152,986,585.20 is: 229,479,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,609,810.80 : 326,414,716.20 = 152,986,585.20 : x
  2. Step 2: Convert to fraction form
    217,609,810.80/326,414,716.20 = 152,986,585.20/x
  3. Step 3: Cross multiply
    217,609,810.80x = 326,414,716.20 × 152,986,585.20
  4. Step 4: Simplify right side
    217,609,810.80x = 49,937,072,790,465,112
  5. Step 5: Solve for x
    x = 49,937,072,790,465,112/217,609,810.80
  6. Step 6: Final answer
    x = 229,479,877.80

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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.