Home / 77,109,640.98-106,393,052.91-43,619,889.96

Finding the Fourth Proportional to 77,109,640.98, 106,393,052.91 and 43,619,889.96

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Solution

The fourth proportional to 77,109,640.98, 106,393,052.91 and 43,619,889.96 is: 60,185,123.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,109,640.98 : 106,393,052.91 = 43,619,889.96 : x
  2. Step 2: Convert to fraction form
    77,109,640.98/106,393,052.91 = 43,619,889.96/x
  3. Step 3: Cross multiply
    77,109,640.98x = 106,393,052.91 × 43,619,889.96
  4. Step 4: Simplify right side
    77,109,640.98x = 4,640,853,260,606,232
  5. Step 5: Solve for x
    x = 4,640,853,260,606,232/77,109,640.98
  6. Step 6: Final answer
    x = 60,185,123.44

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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.