Home / 198,031,294.80-297,046,942.20-180,174,877.20

Finding the Fourth Proportional to 198,031,294.80, 297,046,942.20 and 180,174,877.20

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Solution

The fourth proportional to 198,031,294.80, 297,046,942.20 and 180,174,877.20 is: 270,262,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,031,294.80 : 297,046,942.20 = 180,174,877.20 : x
  2. Step 2: Convert to fraction form
    198,031,294.80/297,046,942.20 = 180,174,877.20/x
  3. Step 3: Cross multiply
    198,031,294.80x = 297,046,942.20 × 180,174,877.20
  4. Step 4: Simplify right side
    198,031,294.80x = 53,520,396,333,520,496
  5. Step 5: Solve for x
    x = 53,520,396,333,520,496/198,031,294.80
  6. Step 6: Final answer
    x = 270,262,315.80

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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.