Home / 215,256,592.80-322,790,410.80-85,821,184.80

Finding the Fourth Proportional to 215,256,592.80, 322,790,410.80 and 85,821,184.80

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Solution

The fourth proportional to 215,256,592.80, 322,790,410.80 and 85,821,184.80 is: 128,694,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,256,592.80 : 322,790,410.80 = 85,821,184.80 : x
  2. Step 2: Convert to fraction form
    215,256,592.80/322,790,410.80 = 85,821,184.80/x
  3. Step 3: Cross multiply
    215,256,592.80x = 322,790,410.80 × 85,821,184.80
  4. Step 4: Simplify right side
    215,256,592.80x = 27,702,255,496,934,716
  5. Step 5: Solve for x
    x = 27,702,255,496,934,716/215,256,592.80
  6. Step 6: Final answer
    x = 128,694,109.37

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1.5x scale

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.