Home / 199,680,276.80-299,520,415.20-113,385,339.20

Finding the Fourth Proportional to 199,680,276.80, 299,520,415.20 and 113,385,339.20

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Solution

The fourth proportional to 199,680,276.80, 299,520,415.20 and 113,385,339.20 is: 170,078,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,680,276.80 : 299,520,415.20 = 113,385,339.20 : x
  2. Step 2: Convert to fraction form
    199,680,276.80/299,520,415.20 = 113,385,339.20/x
  3. Step 3: Cross multiply
    199,680,276.80x = 299,520,415.20 × 113,385,339.20
  4. Step 4: Simplify right side
    199,680,276.80x = 33,961,223,874,776,836
  5. Step 5: Solve for x
    x = 33,961,223,874,776,836/199,680,276.80
  6. Step 6: Final answer
    x = 170,078,008.80

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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.