Home / 108,043,378.48-162,054,160.78-73,251,882.40

Finding the Fourth Proportional to 108,043,378.48, 162,054,160.78 and 73,251,882.40

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Solution

The fourth proportional to 108,043,378.48, 162,054,160.78 and 73,251,882.40 is: 109,870,428.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,043,378.48 : 162,054,160.78 = 73,251,882.40 : x
  2. Step 2: Convert to fraction form
    108,043,378.48/162,054,160.78 = 73,251,882.40/x
  3. Step 3: Cross multiply
    108,043,378.48x = 162,054,160.78 × 73,251,882.40
  4. Step 4: Simplify right side
    108,043,378.48x = 11,870,772,327,887,254
  5. Step 5: Solve for x
    x = 11,870,772,327,887,254/108,043,378.48
  6. Step 6: Final answer
    x = 109,870,428.85

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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.