Home / 106,586,999.80-159,880,499.70-100,129,991.65

Finding the Fourth Proportional to 106,586,999.80, 159,880,499.70 and 100,129,991.65

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Solution

The fourth proportional to 106,586,999.80, 159,880,499.70 and 100,129,991.65 is: 150,194,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,586,999.80 : 159,880,499.70 = 100,129,991.65 : x
  2. Step 2: Convert to fraction form
    106,586,999.80/159,880,499.70 = 100,129,991.65/x
  3. Step 3: Cross multiply
    106,586,999.80x = 159,880,499.70 × 100,129,991.65
  4. Step 4: Simplify right side
    106,586,999.80x = 16,008,833,099,958,828
  5. Step 5: Solve for x
    x = 16,008,833,099,958,828/106,586,999.80
  6. Step 6: Final answer
    x = 150,194,987.48

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1.5x scale

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.