Home / 143,462,229.85-214,969,143.08-99,828,240.60

Finding the Fourth Proportional to 143,462,229.85, 214,969,143.08 and 99,828,240.60

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Solution

The fourth proportional to 143,462,229.85, 214,969,143.08 and 99,828,240.60 is: 149,586,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,462,229.85 : 214,969,143.08 = 99,828,240.60 : x
  2. Step 2: Convert to fraction form
    143,462,229.85/214,969,143.08 = 99,828,240.60/x
  3. Step 3: Cross multiply
    143,462,229.85x = 214,969,143.08 × 99,828,240.60
  4. Step 4: Simplify right side
    143,462,229.85x = 21,459,991,338,021,772
  5. Step 5: Solve for x
    x = 21,459,991,338,021,772/143,462,229.85
  6. Step 6: Final answer
    x = 149,586,350.08

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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.