Home / 200,623,405.80-300,935,108.70-179,578,342.20

Finding the Fourth Proportional to 200,623,405.80, 300,935,108.70 and 179,578,342.20

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Solution

The fourth proportional to 200,623,405.80, 300,935,108.70 and 179,578,342.20 is: 269,367,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,623,405.80 : 300,935,108.70 = 179,578,342.20 : x
  2. Step 2: Convert to fraction form
    200,623,405.80/300,935,108.70 = 179,578,342.20/x
  3. Step 3: Cross multiply
    200,623,405.80x = 300,935,108.70 × 179,578,342.20
  4. Step 4: Simplify right side
    200,623,405.80x = 54,041,427,930,122,792
  5. Step 5: Solve for x
    x = 54,041,427,930,122,792/200,623,405.80
  6. Step 6: Final answer
    x = 269,367,513.30

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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.