Home / 200,115,749.22-300,225,376.89-117,187,536.66

Finding the Fourth Proportional to 200,115,749.22, 300,225,376.89 and 117,187,536.66

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Solution

The fourth proportional to 200,115,749.22, 300,225,376.89 and 117,187,536.66 is: 175,811,611.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,115,749.22 : 300,225,376.89 = 117,187,536.66 : x
  2. Step 2: Convert to fraction form
    200,115,749.22/300,225,376.89 = 117,187,536.66/x
  3. Step 3: Cross multiply
    200,115,749.22x = 300,225,376.89 × 117,187,536.66
  4. Step 4: Simplify right side
    200,115,749.22x = 35,182,672,360,559,188
  5. Step 5: Solve for x
    x = 35,182,672,360,559,188/200,115,749.22
  6. Step 6: Final answer
    x = 175,811,611.52

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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.