Home / 317,398,936.20-476,098,404.30-87,403,518.60

Finding the Fourth Proportional to 317,398,936.20, 476,098,404.30 and 87,403,518.60

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Solution

The fourth proportional to 317,398,936.20, 476,098,404.30 and 87,403,518.60 is: 131,105,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,398,936.20 : 476,098,404.30 = 87,403,518.60 : x
  2. Step 2: Convert to fraction form
    317,398,936.20/476,098,404.30 = 87,403,518.60/x
  3. Step 3: Cross multiply
    317,398,936.20x = 476,098,404.30 × 87,403,518.60
  4. Step 4: Simplify right side
    317,398,936.20x = 41,612,675,735,665,368
  5. Step 5: Solve for x
    x = 41,612,675,735,665,368/317,398,936.20
  6. Step 6: Final answer
    x = 131,105,277.90

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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.