Home / 111,520,919.70-167,281,379.55-99,085,200.30

Finding the Fourth Proportional to 111,520,919.70, 167,281,379.55 and 99,085,200.30

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Solution

The fourth proportional to 111,520,919.70, 167,281,379.55 and 99,085,200.30 is: 148,627,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,520,919.70 : 167,281,379.55 = 99,085,200.30 : x
  2. Step 2: Convert to fraction form
    111,520,919.70/167,281,379.55 = 99,085,200.30/x
  3. Step 3: Cross multiply
    111,520,919.70x = 167,281,379.55 × 99,085,200.30
  4. Step 4: Simplify right side
    111,520,919.70x = 16,575,108,999,172,074
  5. Step 5: Solve for x
    x = 16,575,108,999,172,074/111,520,919.70
  6. Step 6: Final answer
    x = 148,627,800.45

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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.