Home / 126,263,203.72-174,224,539.38-76,677,790.60

Finding the Fourth Proportional to 126,263,203.72, 174,224,539.38 and 76,677,790.60

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Solution

The fourth proportional to 126,263,203.72, 174,224,539.38 and 76,677,790.60 is: 105,804,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,263,203.72 : 174,224,539.38 = 76,677,790.60 : x
  2. Step 2: Convert to fraction form
    126,263,203.72/174,224,539.38 = 76,677,790.60/x
  3. Step 3: Cross multiply
    126,263,203.72x = 174,224,539.38 × 76,677,790.60
  4. Step 4: Simplify right side
    126,263,203.72x = 13,359,152,747,961,092
  5. Step 5: Solve for x
    x = 13,359,152,747,961,092/126,263,203.72
  6. Step 6: Final answer
    x = 105,804,005.87

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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.