Home / 317,670,535.78-476,533,252.34-87,639,620.44

Finding the Fourth Proportional to 317,670,535.78, 476,533,252.34 and 87,639,620.44

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Solution

The fourth proportional to 317,670,535.78, 476,533,252.34 and 87,639,620.44 is: 131,467,003.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,670,535.78 : 476,533,252.34 = 87,639,620.44 : x
  2. Step 2: Convert to fraction form
    317,670,535.78/476,533,252.34 = 87,639,620.44/x
  3. Step 3: Cross multiply
    317,670,535.78x = 476,533,252.34 × 87,639,620.44
  4. Step 4: Simplify right side
    317,670,535.78x = 41,763,193,362,116,336
  5. Step 5: Solve for x
    x = 41,763,193,362,116,336/317,670,535.78
  6. Step 6: Final answer
    x = 131,467,003.26

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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.