Home / 119,790,168-165,310,431.72-64,786,024.44

Finding the Fourth Proportional to 119,790,168, 165,310,431.72 and 64,786,024.44

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Solution

The fourth proportional to 119,790,168, 165,310,431.72 and 64,786,024.44 is: 89,404,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,790,168 : 165,310,431.72 = 64,786,024.44 : x
  2. Step 2: Convert to fraction form
    119,790,168/165,310,431.72 = 64,786,024.44/x
  3. Step 3: Cross multiply
    119,790,168x = 165,310,431.72 × 64,786,024.44
  4. Step 4: Simplify right side
    119,790,168x = 10,709,805,669,598,870
  5. Step 5: Solve for x
    x = 10,709,805,669,598,870/119,790,168
  6. Step 6: Final answer
    x = 89,404,713.66

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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.