Home / 163,520,524.80-245,280,787.20-127,240,819.20

Finding the Fourth Proportional to 163,520,524.80, 245,280,787.20 and 127,240,819.20

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Solution

The fourth proportional to 163,520,524.80, 245,280,787.20 and 127,240,819.20 is: 190,861,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,520,524.80 : 245,280,787.20 = 127,240,819.20 : x
  2. Step 2: Convert to fraction form
    163,520,524.80/245,280,787.20 = 127,240,819.20/x
  3. Step 3: Cross multiply
    163,520,524.80x = 245,280,787.20 × 127,240,819.20
  4. Step 4: Simplify right side
    163,520,524.80x = 31,209,728,297,348,872
  5. Step 5: Solve for x
    x = 31,209,728,297,348,872/163,520,524.80
  6. Step 6: Final answer
    x = 190,861,228.80

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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.