Home / 99,847,236.32-137,786,619.84-55,794,597.08

Finding the Fourth Proportional to 99,847,236.32, 137,786,619.84 and 55,794,597.08

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Solution

The fourth proportional to 99,847,236.32, 137,786,619.84 and 55,794,597.08 is: 76,995,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,847,236.32 : 137,786,619.84 = 55,794,597.08 : x
  2. Step 2: Convert to fraction form
    99,847,236.32/137,786,619.84 = 55,794,597.08/x
  3. Step 3: Cross multiply
    99,847,236.32x = 137,786,619.84 × 55,794,597.08
  4. Step 4: Simplify right side
    99,847,236.32x = 7,687,748,936,299,002
  5. Step 5: Solve for x
    x = 7,687,748,936,299,002/99,847,236.32
  6. Step 6: Final answer
    x = 76,995,109.93

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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.