Home / 101,615,193.36-140,198,072.40-57,555,191.52

Finding the Fourth Proportional to 101,615,193.36, 140,198,072.40 and 57,555,191.52

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Solution

The fourth proportional to 101,615,193.36, 140,198,072.40 and 57,555,191.52 is: 79,408,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,615,193.36 : 140,198,072.40 = 57,555,191.52 : x
  2. Step 2: Convert to fraction form
    101,615,193.36/140,198,072.40 = 57,555,191.52/x
  3. Step 3: Cross multiply
    101,615,193.36x = 140,198,072.40 × 57,555,191.52
  4. Step 4: Simplify right side
    101,615,193.36x = 8,069,126,907,716,827
  5. Step 5: Solve for x
    x = 8,069,126,907,716,827/101,615,193.36
  6. Step 6: Final answer
    x = 79,408,665.58

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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.