Home / 86,304,965.86-119,129,235.87-68,696,168.50

Finding the Fourth Proportional to 86,304,965.86, 119,129,235.87 and 68,696,168.50

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Solution

The fourth proportional to 86,304,965.86, 119,129,235.87 and 68,696,168.50 is: 94,823,304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,304,965.86 : 119,129,235.87 = 68,696,168.50 : x
  2. Step 2: Convert to fraction form
    86,304,965.86/119,129,235.87 = 68,696,168.50/x
  3. Step 3: Cross multiply
    86,304,965.86x = 119,129,235.87 × 68,696,168.50
  4. Step 4: Simplify right side
    86,304,965.86x = 8,183,722,060,601,764
  5. Step 5: Solve for x
    x = 8,183,722,060,601,764/86,304,965.86
  6. Step 6: Final answer
    x = 94,823,304.53

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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.