Home / 82,378,214.30-113,674,422.38-48,881,921.73

Finding the Fourth Proportional to 82,378,214.30, 113,674,422.38 and 48,881,921.73

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Solution

The fourth proportional to 82,378,214.30, 113,674,422.38 and 48,881,921.73 is: 67,452,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,378,214.30 : 113,674,422.38 = 48,881,921.73 : x
  2. Step 2: Convert to fraction form
    82,378,214.30/113,674,422.38 = 48,881,921.73/x
  3. Step 3: Cross multiply
    82,378,214.30x = 113,674,422.38 × 48,881,921.73
  4. Step 4: Simplify right side
    82,378,214.30x = 5,556,624,216,913,748
  5. Step 5: Solve for x
    x = 5,556,624,216,913,748/82,378,214.30
  6. Step 6: Final answer
    x = 67,452,593.68

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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.