Home / 212,270,649.71-318,419,703.45-66,710,288.41

Finding the Fourth Proportional to 212,270,649.71, 318,419,703.45 and 66,710,288.41

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Solution

The fourth proportional to 212,270,649.71, 318,419,703.45 and 66,710,288.41 is: 100,069,747.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,270,649.71 : 318,419,703.45 = 66,710,288.41 : x
  2. Step 2: Convert to fraction form
    212,270,649.71/318,419,703.45 = 66,710,288.41/x
  3. Step 3: Cross multiply
    212,270,649.71x = 318,419,703.45 × 66,710,288.41
  4. Step 4: Simplify right side
    212,270,649.71x = 21,241,870,251,780,120
  5. Step 5: Solve for x
    x = 21,241,870,251,780,120/212,270,649.71
  6. Step 6: Final answer
    x = 100,069,747.19

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