Home / 214,720,069.80-322,174,583.10-99,645,378.60

Finding the Fourth Proportional to 214,720,069.80, 322,174,583.10 and 99,645,378.60

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Solution

The fourth proportional to 214,720,069.80, 322,174,583.10 and 99,645,378.60 is: 149,511,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,720,069.80 : 322,174,583.10 = 99,645,378.60 : x
  2. Step 2: Convert to fraction form
    214,720,069.80/322,174,583.10 = 99,645,378.60/x
  3. Step 3: Cross multiply
    214,720,069.80x = 322,174,583.10 × 99,645,378.60
  4. Step 4: Simplify right side
    214,720,069.80x = 32,103,208,308,296,664
  5. Step 5: Solve for x
    x = 32,103,208,308,296,664/214,720,069.80
  6. Step 6: Final answer
    x = 149,511,912.59

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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.