Home / 123,905,821.71-185,879,906.69-51,082,793.64

Finding the Fourth Proportional to 123,905,821.71, 185,879,906.69 and 51,082,793.64

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Solution

The fourth proportional to 123,905,821.71, 185,879,906.69 and 51,082,793.64 is: 76,632,919.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,905,821.71 : 185,879,906.69 = 51,082,793.64 : x
  2. Step 2: Convert to fraction form
    123,905,821.71/185,879,906.69 = 51,082,793.64/x
  3. Step 3: Cross multiply
    123,905,821.71x = 185,879,906.69 × 51,082,793.64
  4. Step 4: Simplify right side
    123,905,821.71x = 9,495,264,915,012,312
  5. Step 5: Solve for x
    x = 9,495,264,915,012,312/123,905,821.71
  6. Step 6: Final answer
    x = 76,632,919.94

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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.