Home / 97,552,015.80-146,328,023.70-81,679,644.60

Finding the Fourth Proportional to 97,552,015.80, 146,328,023.70 and 81,679,644.60

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Solution

The fourth proportional to 97,552,015.80, 146,328,023.70 and 81,679,644.60 is: 122,519,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,552,015.80 : 146,328,023.70 = 81,679,644.60 : x
  2. Step 2: Convert to fraction form
    97,552,015.80/146,328,023.70 = 81,679,644.60/x
  3. Step 3: Cross multiply
    97,552,015.80x = 146,328,023.70 × 81,679,644.60
  4. Step 4: Simplify right side
    97,552,015.80x = 11,952,020,970,836,376
  5. Step 5: Solve for x
    x = 11,952,020,970,836,376/97,552,015.80
  6. Step 6: Final answer
    x = 122,519,466.90

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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.