Home / 102,159,285.60-140,982,808.60-55,752,523.28

Finding the Fourth Proportional to 102,159,285.60, 140,982,808.60 and 55,752,523.28

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Solution

The fourth proportional to 102,159,285.60, 140,982,808.60 and 55,752,523.28 is: 76,940,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,159,285.60 : 140,982,808.60 = 55,752,523.28 : x
  2. Step 2: Convert to fraction form
    102,159,285.60/140,982,808.60 = 55,752,523.28/x
  3. Step 3: Cross multiply
    102,159,285.60x = 140,982,808.60 × 55,752,523.28
  4. Step 4: Simplify right side
    102,159,285.60x = 7,860,147,318,551,284
  5. Step 5: Solve for x
    x = 7,860,147,318,551,284/102,159,285.60
  6. Step 6: Final answer
    x = 76,940,116.33

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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.