Home / 181,978,072.40-272,967,108.60-120,756,069.20

Finding the Fourth Proportional to 181,978,072.40, 272,967,108.60 and 120,756,069.20

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Solution

The fourth proportional to 181,978,072.40, 272,967,108.60 and 120,756,069.20 is: 181,134,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,978,072.40 : 272,967,108.60 = 120,756,069.20 : x
  2. Step 2: Convert to fraction form
    181,978,072.40/272,967,108.60 = 120,756,069.20/x
  3. Step 3: Cross multiply
    181,978,072.40x = 272,967,108.60 × 120,756,069.20
  4. Step 4: Simplify right side
    181,978,072.40x = 32,962,435,055,425,520
  5. Step 5: Solve for x
    x = 32,962,435,055,425,520/181,978,072.40
  6. Step 6: Final answer
    x = 181,134,103.80

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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.