Home / 123,905,794.92-185,879,866.64-51,082,766.84

Finding the Fourth Proportional to 123,905,794.92, 185,879,866.64 and 51,082,766.84

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Solution

The fourth proportional to 123,905,794.92, 185,879,866.64 and 51,082,766.84 is: 76,632,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,905,794.92 : 185,879,866.64 = 51,082,766.84 : x
  2. Step 2: Convert to fraction form
    123,905,794.92/185,879,866.64 = 51,082,766.84/x
  3. Step 3: Cross multiply
    123,905,794.92x = 185,879,866.64 × 51,082,766.84
  4. Step 4: Simplify right side
    123,905,794.92x = 9,495,257,888,413,822
  5. Step 5: Solve for x
    x = 9,495,257,888,413,822/123,905,794.92
  6. Step 6: Final answer
    x = 76,632,879.80

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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.