Home / 87,258,488.44-120,423,912.78-50,095,940.32

Finding the Fourth Proportional to 87,258,488.44, 120,423,912.78 and 50,095,940.32

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Solution

The fourth proportional to 87,258,488.44, 120,423,912.78 and 50,095,940.32 is: 69,136,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,258,488.44 : 120,423,912.78 = 50,095,940.32 : x
  2. Step 2: Convert to fraction form
    87,258,488.44/120,423,912.78 = 50,095,940.32/x
  3. Step 3: Cross multiply
    87,258,488.44x = 120,423,912.78 × 50,095,940.32
  4. Step 4: Simplify right side
    87,258,488.44x = 6,032,749,147,727,765
  5. Step 5: Solve for x
    x = 6,032,749,147,727,765/87,258,488.44
  6. Step 6: Final answer
    x = 69,136,530.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.