Home / 170,040,112.80-255,060,169.20-55,036,280.40

Finding the Fourth Proportional to 170,040,112.80, 255,060,169.20 and 55,036,280.40

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Solution

The fourth proportional to 170,040,112.80, 255,060,169.20 and 55,036,280.40 is: 82,554,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,040,112.80 : 255,060,169.20 = 55,036,280.40 : x
  2. Step 2: Convert to fraction form
    170,040,112.80/255,060,169.20 = 55,036,280.40/x
  3. Step 3: Cross multiply
    170,040,112.80x = 255,060,169.20 × 55,036,280.40
  4. Step 4: Simplify right side
    170,040,112.80x = 14,037,562,990,962,642
  5. Step 5: Solve for x
    x = 14,037,562,990,962,642/170,040,112.80
  6. Step 6: Final answer
    x = 82,554,420.60

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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.