Home / 387,820,487.22-581,687,758.75-138,815,799.57

Finding the Fourth Proportional to 387,820,487.22, 581,687,758.75 and 138,815,799.57

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Solution

The fourth proportional to 387,820,487.22, 581,687,758.75 and 138,815,799.57 is: 208,208,318.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,820,487.22 : 581,687,758.75 = 138,815,799.57 : x
  2. Step 2: Convert to fraction form
    387,820,487.22/581,687,758.75 = 138,815,799.57/x
  3. Step 3: Cross multiply
    387,820,487.22x = 581,687,758.75 × 138,815,799.57
  4. Step 4: Simplify right side
    387,820,487.22x = 80,747,451,327,360,000
  5. Step 5: Solve for x
    x = 80,747,451,327,360,000/387,820,487.22
  6. Step 6: Final answer
    x = 208,208,318.00

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