Home / 160,512,420.80-240,768,631.20-137,420,811.20

Finding the Fourth Proportional to 160,512,420.80, 240,768,631.20 and 137,420,811.20

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Solution

The fourth proportional to 160,512,420.80, 240,768,631.20 and 137,420,811.20 is: 206,131,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,512,420.80 : 240,768,631.20 = 137,420,811.20 : x
  2. Step 2: Convert to fraction form
    160,512,420.80/240,768,631.20 = 137,420,811.20/x
  3. Step 3: Cross multiply
    160,512,420.80x = 240,768,631.20 × 137,420,811.20
  4. Step 4: Simplify right side
    160,512,420.80x = 33,086,620,611,017,624
  5. Step 5: Solve for x
    x = 33,086,620,611,017,624/160,512,420.80
  6. Step 6: Final answer
    x = 206,131,216.80

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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.