Home / 203,566,709.88-281,019,631.50-125,317,337.04

Finding the Fourth Proportional to 203,566,709.88, 281,019,631.50 and 125,317,337.04

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Solution

The fourth proportional to 203,566,709.88, 281,019,631.50 and 125,317,337.04 is: 172,997,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,566,709.88 : 281,019,631.50 = 125,317,337.04 : x
  2. Step 2: Convert to fraction form
    203,566,709.88/281,019,631.50 = 125,317,337.04/x
  3. Step 3: Cross multiply
    203,566,709.88x = 281,019,631.50 × 125,317,337.04
  4. Step 4: Simplify right side
    203,566,709.88x = 35,216,631,875,542,104
  5. Step 5: Solve for x
    x = 35,216,631,875,542,104/203,566,709.88
  6. Step 6: Final answer
    x = 172,997,991.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.