Home / 74,187,702.20-111,229,713.30-43,879,964.60

Finding the Fourth Proportional to 74,187,702.20, 111,229,713.30 and 43,879,964.60

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Solution

The fourth proportional to 74,187,702.20, 111,229,713.30 and 43,879,964.60 is: 65,789,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,187,702.20 : 111,229,713.30 = 43,879,964.60 : x
  2. Step 2: Convert to fraction form
    74,187,702.20/111,229,713.30 = 43,879,964.60/x
  3. Step 3: Cross multiply
    74,187,702.20x = 111,229,713.30 × 43,879,964.60
  4. Step 4: Simplify right side
    74,187,702.20x = 4,880,755,882,072,149
  5. Step 5: Solve for x
    x = 4,880,755,882,072,149/74,187,702.20
  6. Step 6: Final answer
    x = 65,789,284.98

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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.