Home / 142,100,999.70-213,151,499.55-34,395,623.70

Finding the Fourth Proportional to 142,100,999.70, 213,151,499.55 and 34,395,623.70

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Solution

The fourth proportional to 142,100,999.70, 213,151,499.55 and 34,395,623.70 is: 51,593,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,100,999.70 : 213,151,499.55 = 34,395,623.70 : x
  2. Step 2: Convert to fraction form
    142,100,999.70/213,151,499.55 = 34,395,623.70/x
  3. Step 3: Cross multiply
    142,100,999.70x = 213,151,499.55 × 34,395,623.70
  4. Step 4: Simplify right side
    142,100,999.70x = 7,331,478,769,612,520
  5. Step 5: Solve for x
    x = 7,331,478,769,612,520/142,100,999.70
  6. Step 6: Final answer
    x = 51,593,435.55

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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.