Home / 199,544,572.80-299,092,910.40-84,509,539.20

Finding the Fourth Proportional to 199,544,572.80, 299,092,910.40 and 84,509,539.20

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Solution

The fourth proportional to 199,544,572.80, 299,092,910.40 and 84,509,539.20 is: 126,669,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,544,572.80 : 299,092,910.40 = 84,509,539.20 : x
  2. Step 2: Convert to fraction form
    199,544,572.80/299,092,910.40 = 84,509,539.20/x
  3. Step 3: Cross multiply
    199,544,572.80x = 299,092,910.40 × 84,509,539.20
  4. Step 4: Simplify right side
    199,544,572.80x = 25,276,204,035,890,888
  5. Step 5: Solve for x
    x = 25,276,204,035,890,888/199,544,572.80
  6. Step 6: Final answer
    x = 126,669,463.78

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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.