Home / 205,126,800.30-307,690,200.45-61,519,632.30

Finding the Fourth Proportional to 205,126,800.30, 307,690,200.45 and 61,519,632.30

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Solution

The fourth proportional to 205,126,800.30, 307,690,200.45 and 61,519,632.30 is: 92,279,448.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,126,800.30 : 307,690,200.45 = 61,519,632.30 : x
  2. Step 2: Convert to fraction form
    205,126,800.30/307,690,200.45 = 61,519,632.30/x
  3. Step 3: Cross multiply
    205,126,800.30x = 307,690,200.45 × 61,519,632.30
  4. Step 4: Simplify right side
    205,126,800.30x = 18,928,987,993,997,292
  5. Step 5: Solve for x
    x = 18,928,987,993,997,292/205,126,800.30
  6. Step 6: Final answer
    x = 92,279,448.45

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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.