Home / 197,849,130.21-296,687,090.12-81,184,446.27

Finding the Fourth Proportional to 197,849,130.21, 296,687,090.12 and 81,184,446.27

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Solution

The fourth proportional to 197,849,130.21, 296,687,090.12 and 81,184,446.27 is: 121,741,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,849,130.21 : 296,687,090.12 = 81,184,446.27 : x
  2. Step 2: Convert to fraction form
    197,849,130.21/296,687,090.12 = 81,184,446.27/x
  3. Step 3: Cross multiply
    197,849,130.21x = 296,687,090.12 × 81,184,446.27
  4. Step 4: Simplify right side
    197,849,130.21x = 24,086,377,126,443,864
  5. Step 5: Solve for x
    x = 24,086,377,126,443,864/197,849,130.21
  6. Step 6: Final answer
    x = 121,741,132.25

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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.