Home / 67,466,353.82-101,205,706.63-18,943,880.64

Finding the Fourth Proportional to 67,466,353.82, 101,205,706.63 and 18,943,880.64

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Solution

The fourth proportional to 67,466,353.82, 101,205,706.63 and 18,943,880.64 is: 28,417,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,466,353.82 : 101,205,706.63 = 18,943,880.64 : x
  2. Step 2: Convert to fraction form
    67,466,353.82/101,205,706.63 = 18,943,880.64/x
  3. Step 3: Cross multiply
    67,466,353.82x = 101,205,706.63 × 18,943,880.64
  4. Step 4: Simplify right side
    67,466,353.82x = 1,917,228,826,485,576.50
  5. Step 5: Solve for x
    x = 1,917,228,826,485,576.50/67,466,353.82
  6. Step 6: Final answer
    x = 28,417,555.09

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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.