Home / 154,002,589.50-212,523,573.51-92,125,536.06

Finding the Fourth Proportional to 154,002,589.50, 212,523,573.51 and 92,125,536.06

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Solution

The fourth proportional to 154,002,589.50, 212,523,573.51 and 92,125,536.06 is: 127,133,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,002,589.50 : 212,523,573.51 = 92,125,536.06 : x
  2. Step 2: Convert to fraction form
    154,002,589.50/212,523,573.51 = 92,125,536.06/x
  3. Step 3: Cross multiply
    154,002,589.50x = 212,523,573.51 × 92,125,536.06
  4. Step 4: Simplify right side
    154,002,589.50x = 19,578,848,134,995,564
  5. Step 5: Solve for x
    x = 19,578,848,134,995,564/154,002,589.50
  6. Step 6: Final answer
    x = 127,133,239.76

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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.