Home / 103,016,448,015.20-154,524,672,022.80-86,486,507,151.20

Finding the Fourth Proportional to 103,016,448,015.20, 154,524,672,022.80 and 86,486,507,151.20

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Solution

The fourth proportional to 103,016,448,015.20, 154,524,672,022.80 and 86,486,507,151.20 is: 129,729,760,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,016,448,015.20 : 154,524,672,022.80 = 86,486,507,151.20 : x
  2. Step 2: Convert to fraction form
    103,016,448,015.20/154,524,672,022.80 = 86,486,507,151.20/x
  3. Step 3: Cross multiply
    103,016,448,015.20x = 154,524,672,022.80 × 86,486,507,151.20
  4. Step 4: Simplify right side
    103,016,448,015.20x = 13,364,299,151,936,726,237,184
  5. Step 5: Solve for x
    x = 13,364,299,151,936,726,237,184/103,016,448,015.20
  6. Step 6: Final answer
    x = 129,729,760,726.80

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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.