Home / 394,164,684.66-591,209,028.27-121,462,230.90

Finding the Fourth Proportional to 394,164,684.66, 591,209,028.27 and 121,462,230.90

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Solution

The fourth proportional to 394,164,684.66, 591,209,028.27 and 121,462,230.90 is: 182,181,637.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,164,684.66 : 591,209,028.27 = 121,462,230.90 : x
  2. Step 2: Convert to fraction form
    394,164,684.66/591,209,028.27 = 121,462,230.90/x
  3. Step 3: Cross multiply
    394,164,684.66x = 591,209,028.27 × 121,462,230.90
  4. Step 4: Simplify right side
    394,164,684.66x = 71,809,567,501,895,368
  5. Step 5: Solve for x
    x = 71,809,567,501,895,368/394,164,684.66
  6. Step 6: Final answer
    x = 182,181,637.01

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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.