Home / 70,694,781.66-106,041,105.36-31,805,771.49

Finding the Fourth Proportional to 70,694,781.66, 106,041,105.36 and 31,805,771.49

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Solution

The fourth proportional to 70,694,781.66, 106,041,105.36 and 31,805,771.49 is: 47,708,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,694,781.66 : 106,041,105.36 = 31,805,771.49 : x
  2. Step 2: Convert to fraction form
    70,694,781.66/106,041,105.36 = 31,805,771.49/x
  3. Step 3: Cross multiply
    70,694,781.66x = 106,041,105.36 × 31,805,771.49
  4. Step 4: Simplify right side
    70,694,781.66x = 3,372,719,165,627,174
  5. Step 5: Solve for x
    x = 3,372,719,165,627,174/70,694,781.66
  6. Step 6: Final answer
    x = 47,708,177.13

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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.