Home / 77,992,546,882.78-116,907,168,863.16-32,639,239,989.76

Finding the Fourth Proportional to 77,992,546,882.78, 116,907,168,863.16 and 32,639,239,989.76

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Solution

The fourth proportional to 77,992,546,882.78, 116,907,168,863.16 and 32,639,239,989.76 is: 48,924,689,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,992,546,882.78 : 116,907,168,863.16 = 32,639,239,989.76 : x
  2. Step 2: Convert to fraction form
    77,992,546,882.78/116,907,168,863.16 = 32,639,239,989.76/x
  3. Step 3: Cross multiply
    77,992,546,882.78x = 116,907,168,863.16 × 32,639,239,989.76
  4. Step 4: Simplify right side
    77,992,546,882.78x = 3,815,761,141,047,726,440,448
  5. Step 5: Solve for x
    x = 3,815,761,141,047,726,440,448/77,992,546,882.78
  6. Step 6: Final answer
    x = 48,924,689,519.15

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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.