Home / 73,139,790.54-100,933,893.42-40,099,959.66

Finding the Fourth Proportional to 73,139,790.54, 100,933,893.42 and 40,099,959.66

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Solution

The fourth proportional to 73,139,790.54, 100,933,893.42 and 40,099,959.66 is: 55,338,482.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,139,790.54 : 100,933,893.42 = 40,099,959.66 : x
  2. Step 2: Convert to fraction form
    73,139,790.54/100,933,893.42 = 40,099,959.66/x
  3. Step 3: Cross multiply
    73,139,790.54x = 100,933,893.42 × 40,099,959.66
  4. Step 4: Simplify right side
    73,139,790.54x = 4,047,445,054,468,739
  5. Step 5: Solve for x
    x = 4,047,445,054,468,739/73,139,790.54
  6. Step 6: Final answer
    x = 55,338,482.99

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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.