Home / 143,593,044.14-215,226,179.89-87,381,991.83

Finding the Fourth Proportional to 143,593,044.14, 215,226,179.89 and 87,381,991.83

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Solution

The fourth proportional to 143,593,044.14, 215,226,179.89 and 87,381,991.83 is: 130,973,560.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,593,044.14 : 215,226,179.89 = 87,381,991.83 : x
  2. Step 2: Convert to fraction form
    143,593,044.14/215,226,179.89 = 87,381,991.83/x
  3. Step 3: Cross multiply
    143,593,044.14x = 215,226,179.89 × 87,381,991.83
  4. Step 4: Simplify right side
    143,593,044.14x = 18,806,892,292,750,088
  5. Step 5: Solve for x
    x = 18,806,892,292,750,088/143,593,044.14
  6. Step 6: Final answer
    x = 130,973,560.77

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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.