Home / 294,209,961.12-406,009,727.10-170,522,382.78

Finding the Fourth Proportional to 294,209,961.12, 406,009,727.10 and 170,522,382.78

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Solution

The fourth proportional to 294,209,961.12, 406,009,727.10 and 170,522,382.78 is: 235,320,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,209,961.12 : 406,009,727.10 = 170,522,382.78 : x
  2. Step 2: Convert to fraction form
    294,209,961.12/406,009,727.10 = 170,522,382.78/x
  3. Step 3: Cross multiply
    294,209,961.12x = 406,009,727.10 × 170,522,382.78
  4. Step 4: Simplify right side
    294,209,961.12x = 69,233,746,096,949,544
  5. Step 5: Solve for x
    x = 69,233,746,096,949,544/294,209,961.12
  6. Step 6: Final answer
    x = 235,320,877.08

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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.