Home / 133,358,581.71-200,037,872.70-87,909,747.39

Finding the Fourth Proportional to 133,358,581.71, 200,037,872.70 and 87,909,747.39

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Solution

The fourth proportional to 133,358,581.71, 200,037,872.70 and 87,909,747.39 is: 131,864,621.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,358,581.71 : 200,037,872.70 = 87,909,747.39 : x
  2. Step 2: Convert to fraction form
    133,358,581.71/200,037,872.70 = 87,909,747.39/x
  3. Step 3: Cross multiply
    133,358,581.71x = 200,037,872.70 × 87,909,747.39
  4. Step 4: Simplify right side
    133,358,581.71x = 17,585,278,857,489,976
  5. Step 5: Solve for x
    x = 17,585,278,857,489,976/133,358,581.71
  6. Step 6: Final answer
    x = 131,864,621.17

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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.