Home / 172,814,716.40-259,222,337.02-70,578,754.02

Finding the Fourth Proportional to 172,814,716.40, 259,222,337.02 and 70,578,754.02

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Solution

The fourth proportional to 172,814,716.40, 259,222,337.02 and 70,578,754.02 is: 105,868,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,814,716.40 : 259,222,337.02 = 70,578,754.02 : x
  2. Step 2: Convert to fraction form
    172,814,716.40/259,222,337.02 = 70,578,754.02/x
  3. Step 3: Cross multiply
    172,814,716.40x = 259,222,337.02 × 70,578,754.02
  4. Step 4: Simplify right side
    172,814,716.40x = 18,295,589,561,024,120
  5. Step 5: Solve for x
    x = 18,295,589,561,024,120/172,814,716.40
  6. Step 6: Final answer
    x = 105,868,238.20

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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.