Home / 286,206,965.08-394,975,328.72-160,781,294.68

Finding the Fourth Proportional to 286,206,965.08, 394,975,328.72 and 160,781,294.68

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Solution

The fourth proportional to 286,206,965.08, 394,975,328.72 and 160,781,294.68 is: 221,883,645.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,206,965.08 : 394,975,328.72 = 160,781,294.68 : x
  2. Step 2: Convert to fraction form
    286,206,965.08/394,975,328.72 = 160,781,294.68/x
  3. Step 3: Cross multiply
    286,206,965.08x = 394,975,328.72 × 160,781,294.68
  4. Step 4: Simplify right side
    286,206,965.08x = 63,504,644,718,260,192
  5. Step 5: Solve for x
    x = 63,504,644,718,260,192/286,206,965.08
  6. Step 6: Final answer
    x = 221,883,645.29

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