Home / 111,471,330.30-167,206,995.45-72,729,281.40

Finding the Fourth Proportional to 111,471,330.30, 167,206,995.45 and 72,729,281.40

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Solution

The fourth proportional to 111,471,330.30, 167,206,995.45 and 72,729,281.40 is: 109,093,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,471,330.30 : 167,206,995.45 = 72,729,281.40 : x
  2. Step 2: Convert to fraction form
    111,471,330.30/167,206,995.45 = 72,729,281.40/x
  3. Step 3: Cross multiply
    111,471,330.30x = 167,206,995.45 × 72,729,281.40
  4. Step 4: Simplify right side
    111,471,330.30x = 12,160,844,624,131,570
  5. Step 5: Solve for x
    x = 12,160,844,624,131,570/111,471,330.30
  6. Step 6: Final answer
    x = 109,093,922.10

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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.