Home / 317,399,036.20-476,098,554.30-87,403,618.60

Finding the Fourth Proportional to 317,399,036.20, 476,098,554.30 and 87,403,618.60

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Solution

The fourth proportional to 317,399,036.20, 476,098,554.30 and 87,403,618.60 is: 131,105,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,399,036.20 : 476,098,554.30 = 87,403,618.60 : x
  2. Step 2: Convert to fraction form
    317,399,036.20/476,098,554.30 = 87,403,618.60/x
  3. Step 3: Cross multiply
    317,399,036.20x = 476,098,554.30 × 87,403,618.60
  4. Step 4: Simplify right side
    317,399,036.20x = 41,612,736,456,048,592
  5. Step 5: Solve for x
    x = 41,612,736,456,048,592/317,399,036.20
  6. Step 6: Final answer
    x = 131,105,427.90

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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.