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Finding the Fourth Proportional to 163,363,781.80, 245,045,672.70 and 126,375,488.20

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Solution

The fourth proportional to 163,363,781.80, 245,045,672.70 and 126,375,488.20 is: 189,563,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,363,781.80 : 245,045,672.70 = 126,375,488.20 : x
  2. Step 2: Convert to fraction form
    163,363,781.80/245,045,672.70 = 126,375,488.20/x
  3. Step 3: Cross multiply
    163,363,781.80x = 245,045,672.70 × 126,375,488.20
  4. Step 4: Simplify right side
    163,363,781.80x = 30,967,766,518,759,912
  5. Step 5: Solve for x
    x = 30,967,766,518,759,912/163,363,781.80
  6. Step 6: Final answer
    x = 189,563,232.30

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