Home / 77,764,981.35-116,647,472.03-48,917,576.55

Finding the Fourth Proportional to 77,764,981.35, 116,647,472.03 and 48,917,576.55

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Solution

The fourth proportional to 77,764,981.35, 116,647,472.03 and 48,917,576.55 is: 73,376,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,764,981.35 : 116,647,472.03 = 48,917,576.55 : x
  2. Step 2: Convert to fraction form
    77,764,981.35/116,647,472.03 = 48,917,576.55/x
  3. Step 3: Cross multiply
    77,764,981.35x = 116,647,472.03 × 48,917,576.55
  4. Step 4: Simplify right side
    77,764,981.35x = 5,706,111,642,146,921
  5. Step 5: Solve for x
    x = 5,706,111,642,146,921/77,764,981.35
  6. Step 6: Final answer
    x = 73,376,364.83

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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.