Home / 108,484,359.27-149,709,628.97-63,840,201.36

Finding the Fourth Proportional to 108,484,359.27, 149,709,628.97 and 63,840,201.36

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Solution

The fourth proportional to 108,484,359.27, 149,709,628.97 and 63,840,201.36 is: 88,100,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,484,359.27 : 149,709,628.97 = 63,840,201.36 : x
  2. Step 2: Convert to fraction form
    108,484,359.27/149,709,628.97 = 63,840,201.36/x
  3. Step 3: Cross multiply
    108,484,359.27x = 149,709,628.97 × 63,840,201.36
  4. Step 4: Simplify right side
    108,484,359.27x = 9,557,492,858,334,478
  5. Step 5: Solve for x
    x = 9,557,492,858,334,478/108,484,359.27
  6. Step 6: Final answer
    x = 88,100,191.80

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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.