Home / 275,280,200.15-412,991,159.09-81,183,775.19

Finding the Fourth Proportional to 275,280,200.15, 412,991,159.09 and 81,183,775.19

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Solution

The fourth proportional to 275,280,200.15, 412,991,159.09 and 81,183,775.19 is: 121,796,560.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,280,200.15 : 412,991,159.09 = 81,183,775.19 : x
  2. Step 2: Convert to fraction form
    275,280,200.15/412,991,159.09 = 81,183,775.19/x
  3. Step 3: Cross multiply
    275,280,200.15x = 412,991,159.09 × 81,183,775.19
  4. Step 4: Simplify right side
    275,280,200.15x = 33,528,181,412,549,208
  5. Step 5: Solve for x
    x = 33,528,181,412,549,208/275,280,200.15
  6. Step 6: Final answer
    x = 121,796,560.00

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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.