Home / 269,511,490.17-371,926,977.23-145,752,167.30

Finding the Fourth Proportional to 269,511,490.17, 371,926,977.23 and 145,752,167.30

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Solution

The fourth proportional to 269,511,490.17, 371,926,977.23 and 145,752,167.30 is: 201,138,596.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,511,490.17 : 371,926,977.23 = 145,752,167.30 : x
  2. Step 2: Convert to fraction form
    269,511,490.17/371,926,977.23 = 145,752,167.30/x
  3. Step 3: Cross multiply
    269,511,490.17x = 371,926,977.23 × 145,752,167.30
  4. Step 4: Simplify right side
    269,511,490.17x = 54,209,163,006,021,856
  5. Step 5: Solve for x
    x = 54,209,163,006,021,856/269,511,490.17
  6. Step 6: Final answer
    x = 201,138,596.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.