Home / 101,499,918.24-140,069,990.84-55,090,181.73

Finding the Fourth Proportional to 101,499,918.24, 140,069,990.84 and 55,090,181.73

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Solution

The fourth proportional to 101,499,918.24, 140,069,990.84 and 55,090,181.73 is: 76,024,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,499,918.24 : 140,069,990.84 = 55,090,181.73 : x
  2. Step 2: Convert to fraction form
    101,499,918.24/140,069,990.84 = 55,090,181.73/x
  3. Step 3: Cross multiply
    101,499,918.24x = 140,069,990.84 × 55,090,181.73
  4. Step 4: Simplify right side
    101,499,918.24x = 7,716,481,250,019,584
  5. Step 5: Solve for x
    x = 7,716,481,250,019,584/101,499,918.24
  6. Step 6: Final answer
    x = 76,024,507.05

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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.