Home / 117,753,943.32-162,500,449.59-65,541,858.48

Finding the Fourth Proportional to 117,753,943.32, 162,500,449.59 and 65,541,858.48

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Solution

The fourth proportional to 117,753,943.32, 162,500,449.59 and 65,541,858.48 is: 90,447,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,753,943.32 : 162,500,449.59 = 65,541,858.48 : x
  2. Step 2: Convert to fraction form
    117,753,943.32/162,500,449.59 = 65,541,858.48/x
  3. Step 3: Cross multiply
    117,753,943.32x = 162,500,449.59 × 65,541,858.48
  4. Step 4: Simplify right side
    117,753,943.32x = 10,650,581,469,964,154
  5. Step 5: Solve for x
    x = 10,650,581,469,964,154/117,753,943.32
  6. Step 6: Final answer
    x = 90,447,769.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.