Home / 211,143,761.12-291,274,847.40-183,227,289.20

Finding the Fourth Proportional to 211,143,761.12, 291,274,847.40 and 183,227,289.20

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Solution

The fourth proportional to 211,143,761.12, 291,274,847.40 and 183,227,289.20 is: 252,763,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,143,761.12 : 291,274,847.40 = 183,227,289.20 : x
  2. Step 2: Convert to fraction form
    211,143,761.12/291,274,847.40 = 183,227,289.20/x
  3. Step 3: Cross multiply
    211,143,761.12x = 291,274,847.40 × 183,227,289.20
  4. Step 4: Simplify right side
    211,143,761.12x = 53,369,500,701,245,664
  5. Step 5: Solve for x
    x = 53,369,500,701,245,664/211,143,761.12
  6. Step 6: Final answer
    x = 252,763,806.13

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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.