Home / 111,471,331.80-167,206,997.70-72,729,282.90

Finding the Fourth Proportional to 111,471,331.80, 167,206,997.70 and 72,729,282.90

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Solution

The fourth proportional to 111,471,331.80, 167,206,997.70 and 72,729,282.90 is: 109,093,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,471,331.80 : 167,206,997.70 = 72,729,282.90 : x
  2. Step 2: Convert to fraction form
    111,471,331.80/167,206,997.70 = 72,729,282.90/x
  3. Step 3: Cross multiply
    111,471,331.80x = 167,206,997.70 × 72,729,282.90
  4. Step 4: Simplify right side
    111,471,331.80x = 12,160,845,038,582,950
  5. Step 5: Solve for x
    x = 12,160,845,038,582,950/111,471,331.80
  6. Step 6: Final answer
    x = 109,093,924.35

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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.