Home / 217,127,246.80-325,690,870.20-115,090,574.80

Finding the Fourth Proportional to 217,127,246.80, 325,690,870.20 and 115,090,574.80

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Solution

The fourth proportional to 217,127,246.80, 325,690,870.20 and 115,090,574.80 is: 172,635,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,127,246.80 : 325,690,870.20 = 115,090,574.80 : x
  2. Step 2: Convert to fraction form
    217,127,246.80/325,690,870.20 = 115,090,574.80/x
  3. Step 3: Cross multiply
    217,127,246.80x = 325,690,870.20 × 115,090,574.80
  4. Step 4: Simplify right side
    217,127,246.80x = 37,483,949,458,430,192
  5. Step 5: Solve for x
    x = 37,483,949,458,430,192/217,127,246.80
  6. Step 6: Final answer
    x = 172,635,862.20

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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.