Home / 135,328,619.42-186,755,286.42-73,449,699.74

Finding the Fourth Proportional to 135,328,619.42, 186,755,286.42 and 73,449,699.74

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Solution

The fourth proportional to 135,328,619.42, 186,755,286.42 and 73,449,699.74 is: 101,361,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,328,619.42 : 186,755,286.42 = 73,449,699.74 : x
  2. Step 2: Convert to fraction form
    135,328,619.42/186,755,286.42 = 73,449,699.74/x
  3. Step 3: Cross multiply
    135,328,619.42x = 186,755,286.42 × 73,449,699.74
  4. Step 4: Simplify right side
    135,328,619.42x = 13,717,119,712,406,698
  5. Step 5: Solve for x
    x = 13,717,119,712,406,698/135,328,619.42
  6. Step 6: Final answer
    x = 101,361,558.04

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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.