Home / 217,451,357.04-300,082,916.50-119,666,213.04

Finding the Fourth Proportional to 217,451,357.04, 300,082,916.50 and 119,666,213.04

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Solution

The fourth proportional to 217,451,357.04, 300,082,916.50 and 119,666,213.04 is: 165,139,398.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,451,357.04 : 300,082,916.50 = 119,666,213.04 : x
  2. Step 2: Convert to fraction form
    217,451,357.04/300,082,916.50 = 119,666,213.04/x
  3. Step 3: Cross multiply
    217,451,357.04x = 300,082,916.50 × 119,666,213.04
  4. Step 4: Simplify right side
    217,451,357.04x = 35,909,786,215,553,532
  5. Step 5: Solve for x
    x = 35,909,786,215,553,532/217,451,357.04
  6. Step 6: Final answer
    x = 165,139,398.09

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1.5x scale

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.