Home / 132,121,092.60-197,803,725.30-81,102,756.60

Finding the Fourth Proportional to 132,121,092.60, 197,803,725.30 and 81,102,756.60

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Solution

The fourth proportional to 132,121,092.60, 197,803,725.30 and 81,102,756.60 is: 121,422,152.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,121,092.60 : 197,803,725.30 = 81,102,756.60 : x
  2. Step 2: Convert to fraction form
    132,121,092.60/197,803,725.30 = 81,102,756.60/x
  3. Step 3: Cross multiply
    132,121,092.60x = 197,803,725.30 × 81,102,756.60
  4. Step 4: Simplify right side
    132,121,092.60x = 16,042,427,387,579,162
  5. Step 5: Solve for x
    x = 16,042,427,387,579,162/132,121,092.60
  6. Step 6: Final answer
    x = 121,422,152.00

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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.