Home / 78,028,559.91-117,081,296.98-36,532,240.88

Finding the Fourth Proportional to 78,028,559.91, 117,081,296.98 and 36,532,240.88

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Solution

The fourth proportional to 78,028,559.91, 117,081,296.98 and 36,532,240.88 is: 54,816,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,028,559.91 : 117,081,296.98 = 36,532,240.88 : x
  2. Step 2: Convert to fraction form
    78,028,559.91/117,081,296.98 = 36,532,240.88/x
  3. Step 3: Cross multiply
    78,028,559.91x = 117,081,296.98 × 36,532,240.88
  4. Step 4: Simplify right side
    78,028,559.91x = 4,277,242,143,139,439.50
  5. Step 5: Solve for x
    x = 4,277,242,143,139,439.50/78,028,559.91
  6. Step 6: Final answer
    x = 54,816,366.57

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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.