Home / 205,870,041.48-308,814,994.08-67,692,589.56

Finding the Fourth Proportional to 205,870,041.48, 308,814,994.08 and 67,692,589.56

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Solution

The fourth proportional to 205,870,041.48, 308,814,994.08 and 67,692,589.56 is: 101,542,150.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,870,041.48 : 308,814,994.08 = 67,692,589.56 : x
  2. Step 2: Convert to fraction form
    205,870,041.48/308,814,994.08 = 67,692,589.56/x
  3. Step 3: Cross multiply
    205,870,041.48x = 308,814,994.08 × 67,692,589.56
  4. Step 4: Simplify right side
    205,870,041.48x = 20,904,486,644,231,268
  5. Step 5: Solve for x
    x = 20,904,486,644,231,268/205,870,041.48
  6. Step 6: Final answer
    x = 101,542,150.06

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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.