Home / 106,586,998.80-159,880,498.20-100,129,990.65

Finding the Fourth Proportional to 106,586,998.80, 159,880,498.20 and 100,129,990.65

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Solution

The fourth proportional to 106,586,998.80, 159,880,498.20 and 100,129,990.65 is: 150,194,985.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,586,998.80 : 159,880,498.20 = 100,129,990.65 : x
  2. Step 2: Convert to fraction form
    106,586,998.80/159,880,498.20 = 100,129,990.65/x
  3. Step 3: Cross multiply
    106,586,998.80x = 159,880,498.20 × 100,129,990.65
  4. Step 4: Simplify right side
    106,586,998.80x = 16,008,832,789,883,342
  5. Step 5: Solve for x
    x = 16,008,832,789,883,342/106,586,998.80
  6. Step 6: Final answer
    x = 150,194,985.98

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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.