Home / 111,939,016.30-167,908,524.45-73,196,967.40

Finding the Fourth Proportional to 111,939,016.30, 167,908,524.45 and 73,196,967.40

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Solution

The fourth proportional to 111,939,016.30, 167,908,524.45 and 73,196,967.40 is: 109,795,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,939,016.30 : 167,908,524.45 = 73,196,967.40 : x
  2. Step 2: Convert to fraction form
    111,939,016.30/167,908,524.45 = 73,196,967.40/x
  3. Step 3: Cross multiply
    111,939,016.30x = 167,908,524.45 × 73,196,967.40
  4. Step 4: Simplify right side
    111,939,016.30x = 12,290,394,790,348,754
  5. Step 5: Solve for x
    x = 12,290,394,790,348,754/111,939,016.30
  6. Step 6: Final answer
    x = 109,795,451.10

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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.