Home / 55,310,629.63-76,328,657.38-30,530,809.87

Finding the Fourth Proportional to 55,310,629.63, 76,328,657.38 and 30,530,809.87

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Solution

The fourth proportional to 55,310,629.63, 76,328,657.38 and 30,530,809.87 is: 42,132,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,310,629.63 : 76,328,657.38 = 30,530,809.87 : x
  2. Step 2: Convert to fraction form
    55,310,629.63/76,328,657.38 = 30,530,809.87/x
  3. Step 3: Cross multiply
    55,310,629.63x = 76,328,657.38 × 30,530,809.87
  4. Step 4: Simplify right side
    55,310,629.63x = 2,330,375,726,101,152.50
  5. Step 5: Solve for x
    x = 2,330,375,726,101,152.50/55,310,629.63
  6. Step 6: Final answer
    x = 42,132,511.27

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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.