Home / 170,521,339.04-255,672,036.06-66,901,016.68

Finding the Fourth Proportional to 170,521,339.04, 255,672,036.06 and 66,901,016.68

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Solution

The fourth proportional to 170,521,339.04, 255,672,036.06 and 66,901,016.68 is: 100,308,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,521,339.04 : 255,672,036.06 = 66,901,016.68 : x
  2. Step 2: Convert to fraction form
    170,521,339.04/255,672,036.06 = 66,901,016.68/x
  3. Step 3: Cross multiply
    170,521,339.04x = 255,672,036.06 × 66,901,016.68
  4. Step 4: Simplify right side
    170,521,339.04x = 17,104,719,149,059,622
  5. Step 5: Solve for x
    x = 17,104,719,149,059,622/170,521,339.04
  6. Step 6: Final answer
    x = 100,308,379.26

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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.