Home / 315,020,145.40-472,530,218.10-204,055,264.60

Finding the Fourth Proportional to 315,020,145.40, 472,530,218.10 and 204,055,264.60

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Solution

The fourth proportional to 315,020,145.40, 472,530,218.10 and 204,055,264.60 is: 306,082,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,020,145.40 : 472,530,218.10 = 204,055,264.60 : x
  2. Step 2: Convert to fraction form
    315,020,145.40/472,530,218.10 = 204,055,264.60/x
  3. Step 3: Cross multiply
    315,020,145.40x = 472,530,218.10 × 204,055,264.60
  4. Step 4: Simplify right side
    315,020,145.40x = 96,422,278,685,891,216
  5. Step 5: Solve for x
    x = 96,422,278,685,891,216/315,020,145.40
  6. Step 6: Final answer
    x = 306,082,896.90

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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.