Home / 299,559,620.30-449,339,430.45-127,007,069.90

Finding the Fourth Proportional to 299,559,620.30, 449,339,430.45 and 127,007,069.90

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Solution

The fourth proportional to 299,559,620.30, 449,339,430.45 and 127,007,069.90 is: 190,510,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,559,620.30 : 449,339,430.45 = 127,007,069.90 : x
  2. Step 2: Convert to fraction form
    299,559,620.30/449,339,430.45 = 127,007,069.90/x
  3. Step 3: Cross multiply
    299,559,620.30x = 449,339,430.45 × 127,007,069.90
  4. Step 4: Simplify right side
    299,559,620.30x = 57,069,284,451,989,336
  5. Step 5: Solve for x
    x = 57,069,284,451,989,336/299,559,620.30
  6. Step 6: Final answer
    x = 190,510,604.85

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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.