Home / 132,672,124.80-199,008,187.20-75,276,496.80

Finding the Fourth Proportional to 132,672,124.80, 199,008,187.20 and 75,276,496.80

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Solution

The fourth proportional to 132,672,124.80, 199,008,187.20 and 75,276,496.80 is: 112,914,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,672,124.80 : 199,008,187.20 = 75,276,496.80 : x
  2. Step 2: Convert to fraction form
    132,672,124.80/199,008,187.20 = 75,276,496.80/x
  3. Step 3: Cross multiply
    132,672,124.80x = 199,008,187.20 × 75,276,496.80
  4. Step 4: Simplify right side
    132,672,124.80x = 14,980,639,166,934,600
  5. Step 5: Solve for x
    x = 14,980,639,166,934,600/132,672,124.80
  6. Step 6: Final answer
    x = 112,914,745.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.