Home / 88,140,103.80-132,210,155.70-53,651,988.60

Finding the Fourth Proportional to 88,140,103.80, 132,210,155.70 and 53,651,988.60

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Solution

The fourth proportional to 88,140,103.80, 132,210,155.70 and 53,651,988.60 is: 80,477,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,140,103.80 : 132,210,155.70 = 53,651,988.60 : x
  2. Step 2: Convert to fraction form
    88,140,103.80/132,210,155.70 = 53,651,988.60/x
  3. Step 3: Cross multiply
    88,140,103.80x = 132,210,155.70 × 53,651,988.60
  4. Step 4: Simplify right side
    88,140,103.80x = 7,093,337,766,420,625
  5. Step 5: Solve for x
    x = 7,093,337,766,420,625/88,140,103.80
  6. Step 6: Final answer
    x = 80,477,982.90

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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.