Home / 130,836,624.44-180,555,735.78-72,101,396.97

Finding the Fourth Proportional to 130,836,624.44, 180,555,735.78 and 72,101,396.97

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Solution

The fourth proportional to 130,836,624.44, 180,555,735.78 and 72,101,396.97 is: 99,500,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,836,624.44 : 180,555,735.78 = 72,101,396.97 : x
  2. Step 2: Convert to fraction form
    130,836,624.44/180,555,735.78 = 72,101,396.97/x
  3. Step 3: Cross multiply
    130,836,624.44x = 180,555,735.78 × 72,101,396.97
  4. Step 4: Simplify right side
    130,836,624.44x = 13,018,320,780,684,212
  5. Step 5: Solve for x
    x = 13,018,320,780,684,212/130,836,624.44
  6. Step 6: Final answer
    x = 99,500,585.84

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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.