Home / 85,439,220.46-117,906,690.35-46,280,997.20

Finding the Fourth Proportional to 85,439,220.46, 117,906,690.35 and 46,280,997.20

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Solution

The fourth proportional to 85,439,220.46, 117,906,690.35 and 46,280,997.20 is: 63,868,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,439,220.46 : 117,906,690.35 = 46,280,997.20 : x
  2. Step 2: Convert to fraction form
    85,439,220.46/117,906,690.35 = 46,280,997.20/x
  3. Step 3: Cross multiply
    85,439,220.46x = 117,906,690.35 × 46,280,997.20
  4. Step 4: Simplify right side
    85,439,220.46x = 5,456,839,206,360,087
  5. Step 5: Solve for x
    x = 5,456,839,206,360,087/85,439,220.46
  6. Step 6: Final answer
    x = 63,868,082.80

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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.