Home / 206,728,869.60-310,093,304.40-167,986,820.70

Finding the Fourth Proportional to 206,728,869.60, 310,093,304.40 and 167,986,820.70

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Solution

The fourth proportional to 206,728,869.60, 310,093,304.40 and 167,986,820.70 is: 251,980,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,728,869.60 : 310,093,304.40 = 167,986,820.70 : x
  2. Step 2: Convert to fraction form
    206,728,869.60/310,093,304.40 = 167,986,820.70/x
  3. Step 3: Cross multiply
    206,728,869.60x = 310,093,304.40 × 167,986,820.70
  4. Step 4: Simplify right side
    206,728,869.60x = 52,091,588,326,513,312
  5. Step 5: Solve for x
    x = 52,091,588,326,513,312/206,728,869.60
  6. Step 6: Final answer
    x = 251,980,231.05

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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.