Home / 160,288,675.20-240,433,012.80-39,120,127.20

Finding the Fourth Proportional to 160,288,675.20, 240,433,012.80 and 39,120,127.20

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Solution

The fourth proportional to 160,288,675.20, 240,433,012.80 and 39,120,127.20 is: 58,680,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,288,675.20 : 240,433,012.80 = 39,120,127.20 : x
  2. Step 2: Convert to fraction form
    160,288,675.20/240,433,012.80 = 39,120,127.20/x
  3. Step 3: Cross multiply
    160,288,675.20x = 240,433,012.80 × 39,120,127.20
  4. Step 4: Simplify right side
    160,288,675.20x = 9,405,770,043,815,230
  5. Step 5: Solve for x
    x = 9,405,770,043,815,230/160,288,675.20
  6. Step 6: Final answer
    x = 58,680,190.80

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1.5x scale

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.