Home / 135,916,322.24-187,558,474.20-79,406,306

Finding the Fourth Proportional to 135,916,322.24, 187,558,474.20 and 79,406,306

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Solution

The fourth proportional to 135,916,322.24, 187,558,474.20 and 79,406,306 is: 109,577,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,916,322.24 : 187,558,474.20 = 79,406,306 : x
  2. Step 2: Convert to fraction form
    135,916,322.24/187,558,474.20 = 79,406,306/x
  3. Step 3: Cross multiply
    135,916,322.24x = 187,558,474.20 × 79,406,306
  4. Step 4: Simplify right side
    135,916,322.24x = 14,893,325,595,218,304
  5. Step 5: Solve for x
    x = 14,893,325,595,218,304/135,916,322.24
  6. Step 6: Final answer
    x = 109,577,167.41

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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.