Home / 67,616,005.74-101,428,251.21-19,097,658.54

Finding the Fourth Proportional to 67,616,005.74, 101,428,251.21 and 19,097,658.54

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Solution

The fourth proportional to 67,616,005.74, 101,428,251.21 and 19,097,658.54 is: 28,647,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,616,005.74 : 101,428,251.21 = 19,097,658.54 : x
  2. Step 2: Convert to fraction form
    67,616,005.74/101,428,251.21 = 19,097,658.54/x
  3. Step 3: Cross multiply
    67,616,005.74x = 101,428,251.21 × 19,097,658.54
  4. Step 4: Simplify right side
    67,616,005.74x = 1,937,042,107,917,921.50
  5. Step 5: Solve for x
    x = 1,937,042,107,917,921.50/67,616,005.74
  6. Step 6: Final answer
    x = 28,647,686.10

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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.