Home / 75,100,078.40-103,827,642.72-55,490,037.44

Finding the Fourth Proportional to 75,100,078.40, 103,827,642.72 and 55,490,037.44

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Solution

The fourth proportional to 75,100,078.40, 103,827,642.72 and 55,490,037.44 is: 76,716,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,100,078.40 : 103,827,642.72 = 55,490,037.44 : x
  2. Step 2: Convert to fraction form
    75,100,078.40/103,827,642.72 = 55,490,037.44/x
  3. Step 3: Cross multiply
    75,100,078.40x = 103,827,642.72 × 55,490,037.44
  4. Step 4: Simplify right side
    75,100,078.40x = 5,761,399,781,839,743
  5. Step 5: Solve for x
    x = 5,761,399,781,839,743/75,100,078.40
  6. Step 6: Final answer
    x = 76,716,295.17

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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.