Home / 126,263,205.72-174,224,542.14-76,677,792.60

Finding the Fourth Proportional to 126,263,205.72, 174,224,542.14 and 76,677,792.60

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Solution

The fourth proportional to 126,263,205.72, 174,224,542.14 and 76,677,792.60 is: 105,804,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,263,205.72 : 174,224,542.14 = 76,677,792.60 : x
  2. Step 2: Convert to fraction form
    126,263,205.72/174,224,542.14 = 76,677,792.60/x
  3. Step 3: Cross multiply
    126,263,205.72x = 174,224,542.14 × 76,677,792.60
  4. Step 4: Simplify right side
    126,263,205.72x = 13,359,153,308,040,878
  5. Step 5: Solve for x
    x = 13,359,153,308,040,878/126,263,205.72
  6. Step 6: Final answer
    x = 105,804,008.63

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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.