Home / 148,042,833.42-221,906,786.10-55,887,421.08

Finding the Fourth Proportional to 148,042,833.42, 221,906,786.10 and 55,887,421.08

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Solution

The fourth proportional to 148,042,833.42, 221,906,786.10 and 55,887,421.08 is: 83,771,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,042,833.42 : 221,906,786.10 = 55,887,421.08 : x
  2. Step 2: Convert to fraction form
    148,042,833.42/221,906,786.10 = 55,887,421.08/x
  3. Step 3: Cross multiply
    148,042,833.42x = 221,906,786.10 × 55,887,421.08
  4. Step 4: Simplify right side
    148,042,833.42x = 12,401,797,995,280,190
  5. Step 5: Solve for x
    x = 12,401,797,995,280,190/148,042,833.42
  6. Step 6: Final answer
    x = 83,771,687.62

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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.