Home / 85,306,361.92-117,729,095.60-48,637,856.32

Finding the Fourth Proportional to 85,306,361.92, 117,729,095.60 and 48,637,856.32

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Solution

The fourth proportional to 85,306,361.92, 117,729,095.60 and 48,637,856.32 is: 67,123,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,306,361.92 : 117,729,095.60 = 48,637,856.32 : x
  2. Step 2: Convert to fraction form
    85,306,361.92/117,729,095.60 = 48,637,856.32/x
  3. Step 3: Cross multiply
    85,306,361.92x = 117,729,095.60 × 48,637,856.32
  4. Step 4: Simplify right side
    85,306,361.92x = 5,726,090,836,476,344
  5. Step 5: Solve for x
    x = 5,726,090,836,476,344/85,306,361.92
  6. Step 6: Final answer
    x = 67,123,842.91

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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.