Home / 240,125,161.68-331,336,077.96-135,665,118.72

Finding the Fourth Proportional to 240,125,161.68, 331,336,077.96 and 135,665,118.72

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Solution

The fourth proportional to 240,125,161.68, 331,336,077.96 and 135,665,118.72 is: 187,197,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,125,161.68 : 331,336,077.96 = 135,665,118.72 : x
  2. Step 2: Convert to fraction form
    240,125,161.68/331,336,077.96 = 135,665,118.72/x
  3. Step 3: Cross multiply
    240,125,161.68x = 331,336,077.96 × 135,665,118.72
  4. Step 4: Simplify right side
    240,125,161.68x = 44,950,748,352,662,576
  5. Step 5: Solve for x
    x = 44,950,748,352,662,576/240,125,161.68
  6. Step 6: Final answer
    x = 187,197,160.17

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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.