Home / 132,102,003.60-198,153,005.40-77,540,727.60

Finding the Fourth Proportional to 132,102,003.60, 198,153,005.40 and 77,540,727.60

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Solution

The fourth proportional to 132,102,003.60, 198,153,005.40 and 77,540,727.60 is: 116,311,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,102,003.60 : 198,153,005.40 = 77,540,727.60 : x
  2. Step 2: Convert to fraction form
    132,102,003.60/198,153,005.40 = 77,540,727.60/x
  3. Step 3: Cross multiply
    132,102,003.60x = 198,153,005.40 × 77,540,727.60
  4. Step 4: Simplify right side
    132,102,003.60x = 15,364,928,214,842,728
  5. Step 5: Solve for x
    x = 15,364,928,214,842,728/132,102,003.60
  6. Step 6: Final answer
    x = 116,311,091.40

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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.