Home / 197,883,179.12-273,079,108.94-109,777,178.93

Finding the Fourth Proportional to 197,883,179.12, 273,079,108.94 and 109,777,178.93

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Solution

The fourth proportional to 197,883,179.12, 273,079,108.94 and 109,777,178.93 is: 151,492,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,883,179.12 : 273,079,108.94 = 109,777,178.93 : x
  2. Step 2: Convert to fraction form
    197,883,179.12/273,079,108.94 = 109,777,178.93/x
  3. Step 3: Cross multiply
    197,883,179.12x = 273,079,108.94 × 109,777,178.93
  4. Step 4: Simplify right side
    197,883,179.12x = 29,977,854,202,237,060
  5. Step 5: Solve for x
    x = 29,977,854,202,237,060/197,883,179.12
  6. Step 6: Final answer
    x = 151,492,685.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.