Home / 100,727,092.57-151,117,042.79-31,637,105.37

Finding the Fourth Proportional to 100,727,092.57, 151,117,042.79 and 31,637,105.37

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Solution

The fourth proportional to 100,727,092.57, 151,117,042.79 and 31,637,105.37 is: 47,463,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,727,092.57 : 151,117,042.79 = 31,637,105.37 : x
  2. Step 2: Convert to fraction form
    100,727,092.57/151,117,042.79 = 31,637,105.37/x
  3. Step 3: Cross multiply
    100,727,092.57x = 151,117,042.79 × 31,637,105.37
  4. Step 4: Simplify right side
    100,727,092.57x = 4,780,905,805,950,029
  5. Step 5: Solve for x
    x = 4,780,905,805,950,029/100,727,092.57
  6. Step 6: Final answer
    x = 47,463,951.20

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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.