Home / 181,682,205.20-272,075,410.20-120,768,131.60

Finding the Fourth Proportional to 181,682,205.20, 272,075,410.20 and 120,768,131.60

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Solution

The fourth proportional to 181,682,205.20, 272,075,410.20 and 120,768,131.60 is: 180,854,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,682,205.20 : 272,075,410.20 = 120,768,131.60 : x
  2. Step 2: Convert to fraction form
    181,682,205.20/272,075,410.20 = 120,768,131.60/x
  3. Step 3: Cross multiply
    181,682,205.20x = 272,075,410.20 × 120,768,131.60
  4. Step 4: Simplify right side
    181,682,205.20x = 32,858,038,944,157,580
  5. Step 5: Solve for x
    x = 32,858,038,944,157,580/181,682,205.20
  6. Step 6: Final answer
    x = 180,854,470.08

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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.