Home / 320,476,264.04-480,647,126.70-90,391,541.24

Finding the Fourth Proportional to 320,476,264.04, 480,647,126.70 and 90,391,541.24

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Solution

The fourth proportional to 320,476,264.04, 480,647,126.70 and 90,391,541.24 is: 135,568,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,476,264.04 : 480,647,126.70 = 90,391,541.24 : x
  2. Step 2: Convert to fraction form
    320,476,264.04/480,647,126.70 = 90,391,541.24/x
  3. Step 3: Cross multiply
    320,476,264.04x = 480,647,126.70 × 90,391,541.24
  4. Step 4: Simplify right side
    320,476,264.04x = 43,446,434,574,990,552
  5. Step 5: Solve for x
    x = 43,446,434,574,990,552/320,476,264.04
  6. Step 6: Final answer
    x = 135,568,338.28

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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.