Home / 85,439,220.96-117,906,691.05-46,280,997.71

Finding the Fourth Proportional to 85,439,220.96, 117,906,691.05 and 46,280,997.71

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Solution

The fourth proportional to 85,439,220.96, 117,906,691.05 and 46,280,997.71 is: 63,868,083.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,439,220.96 : 117,906,691.05 = 46,280,997.71 : x
  2. Step 2: Convert to fraction form
    85,439,220.96/117,906,691.05 = 46,280,997.71/x
  3. Step 3: Cross multiply
    85,439,220.96x = 117,906,691.05 × 46,280,997.71
  4. Step 4: Simplify right side
    85,439,220.96x = 5,456,839,297,657,789
  5. Step 5: Solve for x
    x = 5,456,839,297,657,789/85,439,220.96
  6. Step 6: Final answer
    x = 63,868,083.49

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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.