Home / 101,646,402.12-140,271,928.20-55,236,556.80

Finding the Fourth Proportional to 101,646,402.12, 140,271,928.20 and 55,236,556.80

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Solution

The fourth proportional to 101,646,402.12, 140,271,928.20 and 55,236,556.80 is: 76,226,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,646,402.12 : 140,271,928.20 = 55,236,556.80 : x
  2. Step 2: Convert to fraction form
    101,646,402.12/140,271,928.20 = 55,236,556.80/x
  3. Step 3: Cross multiply
    101,646,402.12x = 140,271,928.20 × 55,236,556.80
  4. Step 4: Simplify right side
    101,646,402.12x = 7,748,138,329,464,821
  5. Step 5: Solve for x
    x = 7,748,138,329,464,821/101,646,402.12
  6. Step 6: Final answer
    x = 76,226,390.39

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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.