Home / 102,764,804.97-141,815,279.10-55,721,792.96

Finding the Fourth Proportional to 102,764,804.97, 141,815,279.10 and 55,721,792.96

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Solution

The fourth proportional to 102,764,804.97, 141,815,279.10 and 55,721,792.96 is: 76,895,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,764,804.97 : 141,815,279.10 = 55,721,792.96 : x
  2. Step 2: Convert to fraction form
    102,764,804.97/141,815,279.10 = 55,721,792.96/x
  3. Step 3: Cross multiply
    102,764,804.97x = 141,815,279.10 × 55,721,792.96
  4. Step 4: Simplify right side
    102,764,804.97x = 7,902,201,620,293,346
  5. Step 5: Solve for x
    x = 7,902,201,620,293,346/102,764,804.97
  6. Step 6: Final answer
    x = 76,895,992.00

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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.