Home / 299,559,400.80-449,339,101.20-127,006,850.40

Finding the Fourth Proportional to 299,559,400.80, 449,339,101.20 and 127,006,850.40

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Solution

The fourth proportional to 299,559,400.80, 449,339,101.20 and 127,006,850.40 is: 190,510,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,559,400.80 : 449,339,101.20 = 127,006,850.40 : x
  2. Step 2: Convert to fraction form
    299,559,400.80/449,339,101.20 = 127,006,850.40/x
  3. Step 3: Cross multiply
    299,559,400.80x = 449,339,101.20 × 127,006,850.40
  4. Step 4: Simplify right side
    299,559,400.80x = 57,069,144,004,978,864
  5. Step 5: Solve for x
    x = 57,069,144,004,978,864/299,559,400.80
  6. Step 6: Final answer
    x = 190,510,275.60

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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.