Home / 82,378,219.71-113,674,429.82-48,881,927.13

Finding the Fourth Proportional to 82,378,219.71, 113,674,429.82 and 48,881,927.13

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Solution

The fourth proportional to 82,378,219.71, 113,674,429.82 and 48,881,927.13 is: 67,452,601.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,378,219.71 : 113,674,429.82 = 48,881,927.13 : x
  2. Step 2: Convert to fraction form
    82,378,219.71/113,674,429.82 = 48,881,927.13/x
  3. Step 3: Cross multiply
    82,378,219.71x = 113,674,429.82 × 48,881,927.13
  4. Step 4: Simplify right side
    82,378,219.71x = 5,556,625,195,340,884
  5. Step 5: Solve for x
    x = 5,556,625,195,340,884/82,378,219.71
  6. Step 6: Final answer
    x = 67,452,601.12

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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.