Home / 88,128,057.60-132,101,107.20-39,629,145.60

Finding the Fourth Proportional to 88,128,057.60, 132,101,107.20 and 39,629,145.60

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Solution

The fourth proportional to 88,128,057.60, 132,101,107.20 and 39,629,145.60 is: 59,402,807.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,057.60 : 132,101,107.20 = 39,629,145.60 : x
  2. Step 2: Convert to fraction form
    88,128,057.60/132,101,107.20 = 39,629,145.60/x
  3. Step 3: Cross multiply
    88,128,057.60x = 132,101,107.20 × 39,629,145.60
  4. Step 4: Simplify right side
    88,128,057.60x = 5,235,054,011,150,009
  5. Step 5: Solve for x
    x = 5,235,054,011,150,009/88,128,057.60
  6. Step 6: Final answer
    x = 59,402,807.16

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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.