Home / 130,836,626.44-180,555,738.54-72,101,398.97

Finding the Fourth Proportional to 130,836,626.44, 180,555,738.54 and 72,101,398.97

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Solution

The fourth proportional to 130,836,626.44, 180,555,738.54 and 72,101,398.97 is: 99,500,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,836,626.44 : 180,555,738.54 = 72,101,398.97 : x
  2. Step 2: Convert to fraction form
    130,836,626.44/180,555,738.54 = 72,101,398.97/x
  3. Step 3: Cross multiply
    130,836,626.44x = 180,555,738.54 × 72,101,398.97
  4. Step 4: Simplify right side
    130,836,626.44x = 13,018,321,340,795,544
  5. Step 5: Solve for x
    x = 13,018,321,340,795,544/130,836,626.44
  6. Step 6: Final answer
    x = 99,500,588.60

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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.