Home / 54,195,854,571.72-74,785,894,838.22-31,334,458,994.55

Finding the Fourth Proportional to 54,195,854,571.72, 74,785,894,838.22 and 31,334,458,994.55

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Solution

The fourth proportional to 54,195,854,571.72, 74,785,894,838.22 and 31,334,458,994.55 is: 43,239,018,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,195,854,571.72 : 74,785,894,838.22 = 31,334,458,994.55 : x
  2. Step 2: Convert to fraction form
    54,195,854,571.72/74,785,894,838.22 = 31,334,458,994.55/x
  3. Step 3: Cross multiply
    54,195,854,571.72x = 74,785,894,838.22 × 31,334,458,994.55
  4. Step 4: Simplify right side
    54,195,854,571.72x = 2,343,375,555,178,932,994,048
  5. Step 5: Solve for x
    x = 2,343,375,555,178,932,994,048/54,195,854,571.72
  6. Step 6: Final answer
    x = 43,239,018,439.65

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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.