Home / 179,987,274.72-248,381,672.94-100,602,231.12

Finding the Fourth Proportional to 179,987,274.72, 248,381,672.94 and 100,602,231.12

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Solution

The fourth proportional to 179,987,274.72, 248,381,672.94 and 100,602,231.12 is: 138,830,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,987,274.72 : 248,381,672.94 = 100,602,231.12 : x
  2. Step 2: Convert to fraction form
    179,987,274.72/248,381,672.94 = 100,602,231.12/x
  3. Step 3: Cross multiply
    179,987,274.72x = 248,381,672.94 × 100,602,231.12
  4. Step 4: Simplify right side
    179,987,274.72x = 24,987,750,467,082,132
  5. Step 5: Solve for x
    x = 24,987,750,467,082,132/179,987,274.72
  6. Step 6: Final answer
    x = 138,830,650.70

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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.