Home / 141,123,842.40-211,377,133.92-100,058,805.84

Finding the Fourth Proportional to 141,123,842.40, 211,377,133.92 and 100,058,805.84

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Solution

The fourth proportional to 141,123,842.40, 211,377,133.92 and 100,058,805.84 is: 149,869,385.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,123,842.40 : 211,377,133.92 = 100,058,805.84 : x
  2. Step 2: Convert to fraction form
    141,123,842.40/211,377,133.92 = 100,058,805.84/x
  3. Step 3: Cross multiply
    141,123,842.40x = 211,377,133.92 × 100,058,805.84
  4. Step 4: Simplify right side
    141,123,842.40x = 21,150,143,601,916,956
  5. Step 5: Solve for x
    x = 21,150,143,601,916,956/141,123,842.40
  6. Step 6: Final answer
    x = 149,869,385.94

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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.