Home / 200,438,117.70-300,657,176.55-131,563,364.10

Finding the Fourth Proportional to 200,438,117.70, 300,657,176.55 and 131,563,364.10

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Solution

The fourth proportional to 200,438,117.70, 300,657,176.55 and 131,563,364.10 is: 197,345,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,438,117.70 : 300,657,176.55 = 131,563,364.10 : x
  2. Step 2: Convert to fraction form
    200,438,117.70/300,657,176.55 = 131,563,364.10/x
  3. Step 3: Cross multiply
    200,438,117.70x = 300,657,176.55 × 131,563,364.10
  4. Step 4: Simplify right side
    200,438,117.70x = 39,555,469,587,725,632
  5. Step 5: Solve for x
    x = 39,555,469,587,725,632/200,438,117.70
  6. Step 6: Final answer
    x = 197,345,046.15

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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.