Home / 143,593,043.14-215,226,178.39-87,381,990.83

Finding the Fourth Proportional to 143,593,043.14, 215,226,178.39 and 87,381,990.83

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Solution

The fourth proportional to 143,593,043.14, 215,226,178.39 and 87,381,990.83 is: 130,973,559.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,593,043.14 : 215,226,178.39 = 87,381,990.83 : x
  2. Step 2: Convert to fraction form
    143,593,043.14/215,226,178.39 = 87,381,990.83/x
  3. Step 3: Cross multiply
    143,593,043.14x = 215,226,178.39 × 87,381,990.83
  4. Step 4: Simplify right side
    143,593,043.14x = 18,806,891,946,450,924
  5. Step 5: Solve for x
    x = 18,806,891,946,450,924/143,593,043.14
  6. Step 6: Final answer
    x = 130,973,559.27

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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.