Home / 168,519,785.80-252,779,678.70-149,036,240.20

Finding the Fourth Proportional to 168,519,785.80, 252,779,678.70 and 149,036,240.20

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Solution

The fourth proportional to 168,519,785.80, 252,779,678.70 and 149,036,240.20 is: 223,554,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,519,785.80 : 252,779,678.70 = 149,036,240.20 : x
  2. Step 2: Convert to fraction form
    168,519,785.80/252,779,678.70 = 149,036,240.20/x
  3. Step 3: Cross multiply
    168,519,785.80x = 252,779,678.70 × 149,036,240.20
  4. Step 4: Simplify right side
    168,519,785.80x = 37,673,332,912,412,016
  5. Step 5: Solve for x
    x = 37,673,332,912,412,016/168,519,785.80
  6. Step 6: Final answer
    x = 223,554,360.30

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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.