Home / 61,243,781.40-91,759,383.90-51,677,843.40

Finding the Fourth Proportional to 61,243,781.40, 91,759,383.90 and 51,677,843.40

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Solution

The fourth proportional to 61,243,781.40, 91,759,383.90 and 51,677,843.40 is: 77,427,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,243,781.40 : 91,759,383.90 = 51,677,843.40 : x
  2. Step 2: Convert to fraction form
    61,243,781.40/91,759,383.90 = 51,677,843.40/x
  3. Step 3: Cross multiply
    61,243,781.40x = 91,759,383.90 × 51,677,843.40
  4. Step 4: Simplify right side
    61,243,781.40x = 4,741,927,071,664,681
  5. Step 5: Solve for x
    x = 4,741,927,071,664,681/61,243,781.40
  6. Step 6: Final answer
    x = 77,427,078.53

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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.