Home / 300,997,916.64-451,448,547.12-82,597,253.76

Finding the Fourth Proportional to 300,997,916.64, 451,448,547.12 and 82,597,253.76

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Solution

The fourth proportional to 300,997,916.64, 451,448,547.12 and 82,597,253.76 is: 123,882,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,997,916.64 : 451,448,547.12 = 82,597,253.76 : x
  2. Step 2: Convert to fraction form
    300,997,916.64/451,448,547.12 = 82,597,253.76/x
  3. Step 3: Cross multiply
    300,997,916.64x = 451,448,547.12 × 82,597,253.76
  4. Step 4: Simplify right side
    300,997,916.64x = 37,288,410,206,053,960
  5. Step 5: Solve for x
    x = 37,288,410,206,053,960/300,997,916.64
  6. Step 6: Final answer
    x = 123,882,618.93

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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.