Home / 206,864,517.60-310,296,776.40-91,726,840.80

Finding the Fourth Proportional to 206,864,517.60, 310,296,776.40 and 91,726,840.80

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Solution

The fourth proportional to 206,864,517.60, 310,296,776.40 and 91,726,840.80 is: 137,590,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,864,517.60 : 310,296,776.40 = 91,726,840.80 : x
  2. Step 2: Convert to fraction form
    206,864,517.60/310,296,776.40 = 91,726,840.80/x
  3. Step 3: Cross multiply
    206,864,517.60x = 310,296,776.40 × 91,726,840.80
  4. Step 4: Simplify right side
    206,864,517.60x = 28,462,543,009,595,996
  5. Step 5: Solve for x
    x = 28,462,543,009,595,996/206,864,517.60
  6. Step 6: Final answer
    x = 137,590,261.20

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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.