Home / 215,736,563.10-323,604,844.65-143,177,151.90

Finding the Fourth Proportional to 215,736,563.10, 323,604,844.65 and 143,177,151.90

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Solution

The fourth proportional to 215,736,563.10, 323,604,844.65 and 143,177,151.90 is: 214,765,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,736,563.10 : 323,604,844.65 = 143,177,151.90 : x
  2. Step 2: Convert to fraction form
    215,736,563.10/323,604,844.65 = 143,177,151.90/x
  3. Step 3: Cross multiply
    215,736,563.10x = 323,604,844.65 × 143,177,151.90
  4. Step 4: Simplify right side
    215,736,563.10x = 46,332,819,998,028,952
  5. Step 5: Solve for x
    x = 46,332,819,998,028,952/215,736,563.10
  6. Step 6: Final answer
    x = 214,765,727.85

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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.