Home / 299,440,250.80-449,328,337.80-126,887,700.40

Finding the Fourth Proportional to 299,440,250.80, 449,328,337.80 and 126,887,700.40

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Solution

The fourth proportional to 299,440,250.80, 449,328,337.80 and 126,887,700.40 is: 190,402,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,440,250.80 : 449,328,337.80 = 126,887,700.40 : x
  2. Step 2: Convert to fraction form
    299,440,250.80/449,328,337.80 = 126,887,700.40/x
  3. Step 3: Cross multiply
    299,440,250.80x = 449,328,337.80 × 126,887,700.40
  4. Step 4: Simplify right side
    299,440,250.80x = 57,014,239,507,996,400
  5. Step 5: Solve for x
    x = 57,014,239,507,996,400/299,440,250.80
  6. Step 6: Final answer
    x = 190,402,724.27

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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.