Home / 133,075,763.20-199,613,644.80-131,284,172.80

Finding the Fourth Proportional to 133,075,763.20, 199,613,644.80 and 131,284,172.80

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Solution

The fourth proportional to 133,075,763.20, 199,613,644.80 and 131,284,172.80 is: 196,926,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,075,763.20 : 199,613,644.80 = 131,284,172.80 : x
  2. Step 2: Convert to fraction form
    133,075,763.20/199,613,644.80 = 131,284,172.80/x
  3. Step 3: Cross multiply
    133,075,763.20x = 199,613,644.80 × 131,284,172.80
  4. Step 4: Simplify right side
    133,075,763.20x = 26,206,112,237,161,024
  5. Step 5: Solve for x
    x = 26,206,112,237,161,024/133,075,763.20
  6. Step 6: Final answer
    x = 196,926,259.20

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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.