Home / 85,306,362.92-117,729,096.98-48,637,857.32

Finding the Fourth Proportional to 85,306,362.92, 117,729,096.98 and 48,637,857.32

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Solution

The fourth proportional to 85,306,362.92, 117,729,096.98 and 48,637,857.32 is: 67,123,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,306,362.92 : 117,729,096.98 = 48,637,857.32 : x
  2. Step 2: Convert to fraction form
    85,306,362.92/117,729,096.98 = 48,637,857.32/x
  3. Step 3: Cross multiply
    85,306,362.92x = 117,729,096.98 × 48,637,857.32
  4. Step 4: Simplify right side
    85,306,362.92x = 5,726,091,021,325,683
  5. Step 5: Solve for x
    x = 5,726,091,021,325,683/85,306,362.92
  6. Step 6: Final answer
    x = 67,123,844.29

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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.