Home / 221,353,826.44-331,808,531.12-75,687,767.22

Finding the Fourth Proportional to 221,353,826.44, 331,808,531.12 and 75,687,767.22

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Solution

The fourth proportional to 221,353,826.44, 331,808,531.12 and 75,687,767.22 is: 113,455,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,353,826.44 : 331,808,531.12 = 75,687,767.22 : x
  2. Step 2: Convert to fraction form
    221,353,826.44/331,808,531.12 = 75,687,767.22/x
  3. Step 3: Cross multiply
    221,353,826.44x = 331,808,531.12 × 75,687,767.22
  4. Step 4: Simplify right side
    221,353,826.44x = 25,113,846,865,020,684
  5. Step 5: Solve for x
    x = 25,113,846,865,020,684/221,353,826.44
  6. Step 6: Final answer
    x = 113,455,670.81

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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.