Home / 101,771,250.66-140,444,219.64-55,361,393.88

Finding the Fourth Proportional to 101,771,250.66, 140,444,219.64 and 55,361,393.88

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Solution

The fourth proportional to 101,771,250.66, 140,444,219.64 and 55,361,393.88 is: 76,398,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,771,250.66 : 140,444,219.64 = 55,361,393.88 : x
  2. Step 2: Convert to fraction form
    101,771,250.66/140,444,219.64 = 55,361,393.88/x
  3. Step 3: Cross multiply
    101,771,250.66x = 140,444,219.64 × 55,361,393.88
  4. Step 4: Simplify right side
    101,771,250.66x = 7,775,187,761,659,271
  5. Step 5: Solve for x
    x = 7,775,187,761,659,271/101,771,250.66
  6. Step 6: Final answer
    x = 76,398,665.75

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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.