Home / 135,253,603.50-203,011,597.72-65,273,080.38

Finding the Fourth Proportional to 135,253,603.50, 203,011,597.72 and 65,273,080.38

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Solution

The fourth proportional to 135,253,603.50, 203,011,597.72 and 65,273,080.38 is: 97,972,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,253,603.50 : 203,011,597.72 = 65,273,080.38 : x
  2. Step 2: Convert to fraction form
    135,253,603.50/203,011,597.72 = 65,273,080.38/x
  3. Step 3: Cross multiply
    135,253,603.50x = 203,011,597.72 × 65,273,080.38
  4. Step 4: Simplify right side
    135,253,603.50x = 13,251,192,336,049,786
  5. Step 5: Solve for x
    x = 13,251,192,336,049,786/135,253,603.50
  6. Step 6: Final answer
    x = 97,972,933.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.