Home / 168,381,525.60-252,784,864.80-90,720,280.80

Finding the Fourth Proportional to 168,381,525.60, 252,784,864.80 and 90,720,280.80

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Solution

The fourth proportional to 168,381,525.60, 252,784,864.80 and 90,720,280.80 is: 136,194,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,381,525.60 : 252,784,864.80 = 90,720,280.80 : x
  2. Step 2: Convert to fraction form
    168,381,525.60/252,784,864.80 = 90,720,280.80/x
  3. Step 3: Cross multiply
    168,381,525.60x = 252,784,864.80 × 90,720,280.80
  4. Step 4: Simplify right side
    168,381,525.60x = 22,932,713,916,646,036
  5. Step 5: Solve for x
    x = 22,932,713,916,646,036/168,381,525.60
  6. Step 6: Final answer
    x = 136,194,952.71

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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.