Home / 221,342,154.36-331,990,418.43-73,773,769.56

Finding the Fourth Proportional to 221,342,154.36, 331,990,418.43 and 73,773,769.56

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Solution

The fourth proportional to 221,342,154.36, 331,990,418.43 and 73,773,769.56 is: 110,653,050.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,342,154.36 : 331,990,418.43 = 73,773,769.56 : x
  2. Step 2: Convert to fraction form
    221,342,154.36/331,990,418.43 = 73,773,769.56/x
  3. Step 3: Cross multiply
    221,342,154.36x = 331,990,418.43 × 73,773,769.56
  4. Step 4: Simplify right side
    221,342,154.36x = 24,492,184,625,382,800
  5. Step 5: Solve for x
    x = 24,492,184,625,382,800/221,342,154.36
  6. Step 6: Final answer
    x = 110,653,050.69

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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.