Home / 101,620,813.82-140,236,722.87-57,567,812.60

Finding the Fourth Proportional to 101,620,813.82, 140,236,722.87 and 57,567,812.60

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Solution

The fourth proportional to 101,620,813.82, 140,236,722.87 and 57,567,812.60 is: 79,443,581.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,620,813.82 : 140,236,722.87 = 57,567,812.60 : x
  2. Step 2: Convert to fraction form
    101,620,813.82/140,236,722.87 = 57,567,812.60/x
  3. Step 3: Cross multiply
    101,620,813.82x = 140,236,722.87 × 57,567,812.60
  4. Step 4: Simplify right side
    101,620,813.82x = 8,073,121,382,168,886
  5. Step 5: Solve for x
    x = 8,073,121,382,168,886/101,620,813.82
  6. Step 6: Final answer
    x = 79,443,581.28

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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.