Home / 80,198,644.72-110,674,342.56-43,529,215.72

Finding the Fourth Proportional to 80,198,644.72, 110,674,342.56 and 43,529,215.72

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Solution

The fourth proportional to 80,198,644.72, 110,674,342.56 and 43,529,215.72 is: 60,070,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,198,644.72 : 110,674,342.56 = 43,529,215.72 : x
  2. Step 2: Convert to fraction form
    80,198,644.72/110,674,342.56 = 43,529,215.72/x
  3. Step 3: Cross multiply
    80,198,644.72x = 110,674,342.56 × 43,529,215.72
  4. Step 4: Simplify right side
    80,198,644.72x = 4,817,567,331,963,417
  5. Step 5: Solve for x
    x = 4,817,567,331,963,417/80,198,644.72
  6. Step 6: Final answer
    x = 60,070,433.22

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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.