Home / 299,440,243.30-449,328,326.55-126,887,692.90

Finding the Fourth Proportional to 299,440,243.30, 449,328,326.55 and 126,887,692.90

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Solution

The fourth proportional to 299,440,243.30, 449,328,326.55 and 126,887,692.90 is: 190,402,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,440,243.30 : 449,328,326.55 = 126,887,692.90 : x
  2. Step 2: Convert to fraction form
    299,440,243.30/449,328,326.55 = 126,887,692.90/x
  3. Step 3: Cross multiply
    299,440,243.30x = 449,328,326.55 × 126,887,692.90
  4. Step 4: Simplify right side
    299,440,243.30x = 57,014,234,710,547,320
  5. Step 5: Solve for x
    x = 57,014,234,710,547,320/299,440,243.30
  6. Step 6: Final answer
    x = 190,402,713.02

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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.