Home / 206,820,446.45-285,403,628.00-112,732,522.88

Finding the Fourth Proportional to 206,820,446.45, 285,403,628.00 and 112,732,522.88

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Solution

The fourth proportional to 206,820,446.45, 285,403,628.00 and 112,732,522.88 is: 155,566,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,820,446.45 : 285,403,628.00 = 112,732,522.88 : x
  2. Step 2: Convert to fraction form
    206,820,446.45/285,403,628.00 = 112,732,522.88/x
  3. Step 3: Cross multiply
    206,820,446.45x = 285,403,628.00 × 112,732,522.88
  4. Step 4: Simplify right side
    206,820,446.45x = 32,174,271,024,540,348
  5. Step 5: Solve for x
    x = 32,174,271,024,540,348/206,820,446.45
  6. Step 6: Final answer
    x = 155,566,200.43

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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.