Home / 135,017,849.04-186,320,781-79,262,372.88

Finding the Fourth Proportional to 135,017,849.04, 186,320,781 and 79,262,372.88

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Solution

The fourth proportional to 135,017,849.04, 186,320,781 and 79,262,372.88 is: 109,379,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,017,849.04 : 186,320,781 = 79,262,372.88 : x
  2. Step 2: Convert to fraction form
    135,017,849.04/186,320,781 = 79,262,372.88/x
  3. Step 3: Cross multiply
    135,017,849.04x = 186,320,781 × 79,262,372.88
  4. Step 4: Simplify right side
    135,017,849.04x = 14,768,227,218,914,818
  5. Step 5: Solve for x
    x = 14,768,227,218,914,818/135,017,849.04
  6. Step 6: Final answer
    x = 109,379,814.03

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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.