Home / 317,399,131.20-476,098,696.80-87,403,713.60

Finding the Fourth Proportional to 317,399,131.20, 476,098,696.80 and 87,403,713.60

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Solution

The fourth proportional to 317,399,131.20, 476,098,696.80 and 87,403,713.60 is: 131,105,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,399,131.20 : 476,098,696.80 = 87,403,713.60 : x
  2. Step 2: Convert to fraction form
    317,399,131.20/476,098,696.80 = 87,403,713.60/x
  3. Step 3: Cross multiply
    317,399,131.20x = 476,098,696.80 × 87,403,713.60
  4. Step 4: Simplify right side
    317,399,131.20x = 41,612,794,140,440,432
  5. Step 5: Solve for x
    x = 41,612,794,140,440,432/317,399,131.20
  6. Step 6: Final answer
    x = 131,105,570.40

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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.