Home / 201,204,911.10-301,807,366.65-71,958,459.90

Finding the Fourth Proportional to 201,204,911.10, 301,807,366.65 and 71,958,459.90

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Solution

The fourth proportional to 201,204,911.10, 301,807,366.65 and 71,958,459.90 is: 107,937,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,911.10 : 301,807,366.65 = 71,958,459.90 : x
  2. Step 2: Convert to fraction form
    201,204,911.10/301,807,366.65 = 71,958,459.90/x
  3. Step 3: Cross multiply
    201,204,911.10x = 301,807,366.65 × 71,958,459.90
  4. Step 4: Simplify right side
    201,204,911.10x = 21,717,593,290,608,624
  5. Step 5: Solve for x
    x = 21,717,593,290,608,624/201,204,911.10
  6. Step 6: Final answer
    x = 107,937,689.85

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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.