Home / 145,120,200.75-200,265,879.47-79,930,104.75

Finding the Fourth Proportional to 145,120,200.75, 200,265,879.47 and 79,930,104.75

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Solution

The fourth proportional to 145,120,200.75, 200,265,879.47 and 79,930,104.75 is: 110,303,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,120,200.75 : 200,265,879.47 = 79,930,104.75 : x
  2. Step 2: Convert to fraction form
    145,120,200.75/200,265,879.47 = 79,930,104.75/x
  3. Step 3: Cross multiply
    145,120,200.75x = 200,265,879.47 × 79,930,104.75
  4. Step 4: Simplify right side
    145,120,200.75x = 16,007,272,723,488,324
  5. Step 5: Solve for x
    x = 16,007,272,723,488,324/145,120,200.75
  6. Step 6: Final answer
    x = 110,303,545.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.