Home / 85,439,212.89-117,906,679.89-46,280,989.62

Finding the Fourth Proportional to 85,439,212.89, 117,906,679.89 and 46,280,989.62

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Solution

The fourth proportional to 85,439,212.89, 117,906,679.89 and 46,280,989.62 is: 63,868,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,439,212.89 : 117,906,679.89 = 46,280,989.62 : x
  2. Step 2: Convert to fraction form
    85,439,212.89/117,906,679.89 = 46,280,989.62/x
  3. Step 3: Cross multiply
    85,439,212.89x = 117,906,679.89 × 46,280,989.62
  4. Step 4: Simplify right side
    85,439,212.89x = 5,456,837,828,117,752
  5. Step 5: Solve for x
    x = 5,456,837,828,117,752/85,439,212.89
  6. Step 6: Final answer
    x = 63,868,072.33

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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.