Home / 101,502,720.22-140,070,003.12-55,091,977.68

Finding the Fourth Proportional to 101,502,720.22, 140,070,003.12 and 55,091,977.68

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Solution

The fourth proportional to 101,502,720.22, 140,070,003.12 and 55,091,977.68 is: 76,024,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,502,720.22 : 140,070,003.12 = 55,091,977.68 : x
  2. Step 2: Convert to fraction form
    101,502,720.22/140,070,003.12 = 55,091,977.68/x
  3. Step 3: Cross multiply
    101,502,720.22x = 140,070,003.12 × 55,091,977.68
  4. Step 4: Simplify right side
    101,502,720.22x = 7,716,733,485,524,571
  5. Step 5: Solve for x
    x = 7,716,733,485,524,571/101,502,720.22
  6. Step 6: Final answer
    x = 76,024,893.41

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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.