Home / 206,781,952.14-285,354,178.83-112,699,069.74

Finding the Fourth Proportional to 206,781,952.14, 285,354,178.83 and 112,699,069.74

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Solution

The fourth proportional to 206,781,952.14, 285,354,178.83 and 112,699,069.74 is: 155,522,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,781,952.14 : 285,354,178.83 = 112,699,069.74 : x
  2. Step 2: Convert to fraction form
    206,781,952.14/285,354,178.83 = 112,699,069.74/x
  3. Step 3: Cross multiply
    206,781,952.14x = 285,354,178.83 × 112,699,069.74
  4. Step 4: Simplify right side
    206,781,952.14x = 32,159,150,500,562,600
  5. Step 5: Solve for x
    x = 32,159,150,500,562,600/206,781,952.14
  6. Step 6: Final answer
    x = 155,522,037.43

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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.