Home / 81,457,992.78-122,163,073.08-23,936,587.98

Finding the Fourth Proportional to 81,457,992.78, 122,163,073.08 and 23,936,587.98

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Solution

The fourth proportional to 81,457,992.78, 122,163,073.08 and 23,936,587.98 is: 35,897,854.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,457,992.78 : 122,163,073.08 = 23,936,587.98 : x
  2. Step 2: Convert to fraction form
    81,457,992.78/122,163,073.08 = 23,936,587.98/x
  3. Step 3: Cross multiply
    81,457,992.78x = 122,163,073.08 × 23,936,587.98
  4. Step 4: Simplify right side
    81,457,992.78x = 2,924,167,146,686,589.50
  5. Step 5: Solve for x
    x = 2,924,167,146,686,589.50/81,457,992.78
  6. Step 6: Final answer
    x = 35,897,854.18

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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.