Home / 205,869,769.31-308,814,585.39-67,692,317.24

Finding the Fourth Proportional to 205,869,769.31, 308,814,585.39 and 67,692,317.24

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Solution

The fourth proportional to 205,869,769.31, 308,814,585.39 and 67,692,317.24 is: 101,541,741.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,869,769.31 : 308,814,585.39 = 67,692,317.24 : x
  2. Step 2: Convert to fraction form
    205,869,769.31/308,814,585.39 = 67,692,317.24/x
  3. Step 3: Cross multiply
    205,869,769.31x = 308,814,585.39 × 67,692,317.24
  4. Step 4: Simplify right side
    205,869,769.31x = 20,904,374,883,330,988
  5. Step 5: Solve for x
    x = 20,904,374,883,330,988/205,869,769.31
  6. Step 6: Final answer
    x = 101,541,741.43

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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.