Home / 111,939,021.80-167,908,532.70-73,196,972.90

Finding the Fourth Proportional to 111,939,021.80, 167,908,532.70 and 73,196,972.90

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Solution

The fourth proportional to 111,939,021.80, 167,908,532.70 and 73,196,972.90 is: 109,795,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,939,021.80 : 167,908,532.70 = 73,196,972.90 : x
  2. Step 2: Convert to fraction form
    111,939,021.80/167,908,532.70 = 73,196,972.90/x
  3. Step 3: Cross multiply
    111,939,021.80x = 167,908,532.70 × 73,196,972.90
  4. Step 4: Simplify right side
    111,939,021.80x = 12,290,396,317,720,664
  5. Step 5: Solve for x
    x = 12,290,396,317,720,664/111,939,021.80
  6. Step 6: Final answer
    x = 109,795,459.35

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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.