Home / 51,334,198.88-70,841,194.45-30,708,514.40

Finding the Fourth Proportional to 51,334,198.88, 70,841,194.45 and 30,708,514.40

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Solution

The fourth proportional to 51,334,198.88, 70,841,194.45 and 30,708,514.40 is: 42,377,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,334,198.88 : 70,841,194.45 = 30,708,514.40 : x
  2. Step 2: Convert to fraction form
    51,334,198.88/70,841,194.45 = 30,708,514.40/x
  3. Step 3: Cross multiply
    51,334,198.88x = 70,841,194.45 × 30,708,514.40
  4. Step 4: Simplify right side
    51,334,198.88x = 2,175,427,839,450,048
  5. Step 5: Solve for x
    x = 2,175,427,839,450,048/51,334,198.88
  6. Step 6: Final answer
    x = 42,377,749.87

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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.