Home / 61,242,685.20-91,864,027.80-55,007,110.80

Finding the Fourth Proportional to 61,242,685.20, 91,864,027.80 and 55,007,110.80

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Solution

The fourth proportional to 61,242,685.20, 91,864,027.80 and 55,007,110.80 is: 82,510,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,242,685.20 : 91,864,027.80 = 55,007,110.80 : x
  2. Step 2: Convert to fraction form
    61,242,685.20/91,864,027.80 = 55,007,110.80/x
  3. Step 3: Cross multiply
    61,242,685.20x = 91,864,027.80 × 55,007,110.80
  4. Step 4: Simplify right side
    61,242,685.20x = 5,053,174,755,728,880
  5. Step 5: Solve for x
    x = 5,053,174,755,728,880/61,242,685.20
  6. Step 6: Final answer
    x = 82,510,666.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.