Home / 55,310,629.13-76,328,656.69-30,530,809.37

Finding the Fourth Proportional to 55,310,629.13, 76,328,656.69 and 30,530,809.37

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Solution

The fourth proportional to 55,310,629.13, 76,328,656.69 and 30,530,809.37 is: 42,132,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,310,629.13 : 76,328,656.69 = 30,530,809.37 : x
  2. Step 2: Convert to fraction form
    55,310,629.13/76,328,656.69 = 30,530,809.37/x
  3. Step 3: Cross multiply
    55,310,629.13x = 76,328,656.69 × 30,530,809.37
  4. Step 4: Simplify right side
    55,310,629.13x = 2,330,375,666,870,565
  5. Step 5: Solve for x
    x = 2,330,375,666,870,565/55,310,629.13
  6. Step 6: Final answer
    x = 42,132,510.58

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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.