Home / 221,183,482.88-305,233,397.76-123,398,359.04

Finding the Fourth Proportional to 221,183,482.88, 305,233,397.76 and 123,398,359.04

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Solution

The fourth proportional to 221,183,482.88, 305,233,397.76 and 123,398,359.04 is: 170,289,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,183,482.88 : 305,233,397.76 = 123,398,359.04 : x
  2. Step 2: Convert to fraction form
    221,183,482.88/305,233,397.76 = 123,398,359.04/x
  3. Step 3: Cross multiply
    221,183,482.88x = 305,233,397.76 × 123,398,359.04
  4. Step 4: Simplify right side
    221,183,482.88x = 37,665,300,407,787,616
  5. Step 5: Solve for x
    x = 37,665,300,407,787,616/221,183,482.88
  6. Step 6: Final answer
    x = 170,289,842.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.