Home / 143,596,388.80-214,916,286.30-126,377,700.40

Finding the Fourth Proportional to 143,596,388.80, 214,916,286.30 and 126,377,700.40

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Solution

The fourth proportional to 143,596,388.80, 214,916,286.30 and 126,377,700.40 is: 189,145,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,596,388.80 : 214,916,286.30 = 126,377,700.40 : x
  2. Step 2: Convert to fraction form
    143,596,388.80/214,916,286.30 = 126,377,700.40/x
  3. Step 3: Cross multiply
    143,596,388.80x = 214,916,286.30 × 126,377,700.40
  4. Step 4: Simplify right side
    143,596,388.80x = 27,160,626,041,102,028
  5. Step 5: Solve for x
    x = 27,160,626,041,102,028/143,596,388.80
  6. Step 6: Final answer
    x = 189,145,606.43

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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.