Home / 225,431,275,251.78-311,095,359,999.80-123,934,887,430.02

Finding the Fourth Proportional to 225,431,275,251.78, 311,095,359,999.80 and 123,934,887,430.02

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Solution

The fourth proportional to 225,431,275,251.78, 311,095,359,999.80 and 123,934,887,430.02 is: 171,030,254,690.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,431,275,251.78 : 311,095,359,999.80 = 123,934,887,430.02 : x
  2. Step 2: Convert to fraction form
    225,431,275,251.78/311,095,359,999.80 = 123,934,887,430.02/x
  3. Step 3: Cross multiply
    225,431,275,251.78x = 311,095,359,999.80 × 123,934,887,430.02
  4. Step 4: Simplify right side
    225,431,275,251.78x = 38,555,568,421,576,760,098,816
  5. Step 5: Solve for x
    x = 38,555,568,421,576,760,098,816/225,431,275,251.78
  6. Step 6: Final answer
    x = 171,030,254,690.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.