Home / 135,287,135,517.98-186,696,369,378.31-74,323,451,972.57

Finding the Fourth Proportional to 135,287,135,517.98, 186,696,369,378.31 and 74,323,451,972.57

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Solution

The fourth proportional to 135,287,135,517.98, 186,696,369,378.31 and 74,323,451,972.57 is: 102,566,430,945.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,287,135,517.98 : 186,696,369,378.31 = 74,323,451,972.57 : x
  2. Step 2: Convert to fraction form
    135,287,135,517.98/186,696,369,378.31 = 74,323,451,972.57/x
  3. Step 3: Cross multiply
    135,287,135,517.98x = 186,696,369,378.31 × 74,323,451,972.57
  4. Step 4: Simplify right side
    135,287,135,517.98x = 13,875,918,642,941,079,322,624
  5. Step 5: Solve for x
    x = 13,875,918,642,941,079,322,624/135,287,135,517.98
  6. Step 6: Final answer
    x = 102,566,430,945.66

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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.