Home / 198,609,379.56-297,940,100.12-65,618,053.24

Finding the Fourth Proportional to 198,609,379.56, 297,940,100.12 and 65,618,053.24

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Solution

The fourth proportional to 198,609,379.56, 297,940,100.12 and 65,618,053.24 is: 98,435,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,609,379.56 : 297,940,100.12 = 65,618,053.24 : x
  2. Step 2: Convert to fraction form
    198,609,379.56/297,940,100.12 = 65,618,053.24/x
  3. Step 3: Cross multiply
    198,609,379.56x = 297,940,100.12 × 65,618,053.24
  4. Step 4: Simplify right side
    198,609,379.56x = 19,550,249,352,005,092
  5. Step 5: Solve for x
    x = 19,550,249,352,005,092/198,609,379.56
  6. Step 6: Final answer
    x = 98,435,680.10

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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.