Home / 282,268,535.68-389,507,742.04-163,198,767.34

Finding the Fourth Proportional to 282,268,535.68, 389,507,742.04 and 163,198,767.34

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Solution

The fourth proportional to 282,268,535.68, 389,507,742.04 and 163,198,767.34 is: 225,201,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,268,535.68 : 389,507,742.04 = 163,198,767.34 : x
  2. Step 2: Convert to fraction form
    282,268,535.68/389,507,742.04 = 163,198,767.34/x
  3. Step 3: Cross multiply
    282,268,535.68x = 389,507,742.04 × 163,198,767.34
  4. Step 4: Simplify right side
    282,268,535.68x = 63,567,183,372,257,400
  5. Step 5: Solve for x
    x = 63,567,183,372,257,400/282,268,535.68
  6. Step 6: Final answer
    x = 225,201,095.19

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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.