Home / 163,579,362.80-245,568,109.80-82,758,729.20

Finding the Fourth Proportional to 163,579,362.80, 245,568,109.80 and 82,758,729.20

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Solution

The fourth proportional to 163,579,362.80, 245,568,109.80 and 82,758,729.20 is: 124,238,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,579,362.80 : 245,568,109.80 = 82,758,729.20 : x
  2. Step 2: Convert to fraction form
    163,579,362.80/245,568,109.80 = 82,758,729.20/x
  3. Step 3: Cross multiply
    163,579,362.80x = 245,568,109.80 × 82,758,729.20
  4. Step 4: Simplify right side
    163,579,362.80x = 20,322,904,699,094,068
  5. Step 5: Solve for x
    x = 20,322,904,699,094,068/163,579,362.80
  6. Step 6: Final answer
    x = 124,238,805.87

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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.