Home / 102,722,397.45-141,765,876.57-56,321,619.44

Finding the Fourth Proportional to 102,722,397.45, 141,765,876.57 and 56,321,619.44

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Solution

The fourth proportional to 102,722,397.45, 141,765,876.57 and 56,321,619.44 is: 77,728,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,722,397.45 : 141,765,876.57 = 56,321,619.44 : x
  2. Step 2: Convert to fraction form
    102,722,397.45/141,765,876.57 = 56,321,619.44/x
  3. Step 3: Cross multiply
    102,722,397.45x = 141,765,876.57 × 56,321,619.44
  4. Step 4: Simplify right side
    102,722,397.45x = 7,984,483,749,644,772
  5. Step 5: Solve for x
    x = 7,984,483,749,644,772/102,722,397.45
  6. Step 6: Final answer
    x = 77,728,751.94

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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.