Home / 133,059,986.70-199,589,980.05-75,530,028.30

Finding the Fourth Proportional to 133,059,986.70, 199,589,980.05 and 75,530,028.30

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Solution

The fourth proportional to 133,059,986.70, 199,589,980.05 and 75,530,028.30 is: 113,295,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059,986.70 : 199,589,980.05 = 75,530,028.30 : x
  2. Step 2: Convert to fraction form
    133,059,986.70/199,589,980.05 = 75,530,028.30/x
  3. Step 3: Cross multiply
    133,059,986.70x = 199,589,980.05 × 75,530,028.30
  4. Step 4: Simplify right side
    133,059,986.70x = 15,075,036,841,572,936
  5. Step 5: Solve for x
    x = 15,075,036,841,572,936/133,059,986.70
  6. Step 6: Final answer
    x = 113,295,042.45

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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.