Home / 206,986,314.20-310,479,471.30-176,209,975.40

Finding the Fourth Proportional to 206,986,314.20, 310,479,471.30 and 176,209,975.40

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Solution

The fourth proportional to 206,986,314.20, 310,479,471.30 and 176,209,975.40 is: 264,314,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,986,314.20 : 310,479,471.30 = 176,209,975.40 : x
  2. Step 2: Convert to fraction form
    206,986,314.20/310,479,471.30 = 176,209,975.40/x
  3. Step 3: Cross multiply
    206,986,314.20x = 310,479,471.30 × 176,209,975.40
  4. Step 4: Simplify right side
    206,986,314.20x = 54,709,579,999,978,008
  5. Step 5: Solve for x
    x = 54,709,579,999,978,008/206,986,314.20
  6. Step 6: Final answer
    x = 264,314,963.10

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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.