Home / 85,439,212.76-117,906,679.72-46,280,989.50

Finding the Fourth Proportional to 85,439,212.76, 117,906,679.72 and 46,280,989.50

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Solution

The fourth proportional to 85,439,212.76, 117,906,679.72 and 46,280,989.50 is: 63,868,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,439,212.76 : 117,906,679.72 = 46,280,989.50 : x
  2. Step 2: Convert to fraction form
    85,439,212.76/117,906,679.72 = 46,280,989.50/x
  3. Step 3: Cross multiply
    85,439,212.76x = 117,906,679.72 × 46,280,989.50
  4. Step 4: Simplify right side
    85,439,212.76x = 5,456,837,806,101,183
  5. Step 5: Solve for x
    x = 5,456,837,806,101,183/85,439,212.76
  6. Step 6: Final answer
    x = 63,868,072.16

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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.