Home / 220,231,427.69-303,927,361.05-126,163,755.01

Finding the Fourth Proportional to 220,231,427.69, 303,927,361.05 and 126,163,755.01

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Solution

The fourth proportional to 220,231,427.69, 303,927,361.05 and 126,163,755.01 is: 174,110,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,231,427.69 : 303,927,361.05 = 126,163,755.01 : x
  2. Step 2: Convert to fraction form
    220,231,427.69/303,927,361.05 = 126,163,755.01/x
  3. Step 3: Cross multiply
    220,231,427.69x = 303,927,361.05 × 126,163,755.01
  4. Step 4: Simplify right side
    220,231,427.69x = 38,344,617,118,512,968
  5. Step 5: Solve for x
    x = 38,344,617,118,512,968/220,231,427.69
  6. Step 6: Final answer
    x = 174,110,559.61

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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.