Home / 203,437,850.78-305,128,031.16-65,245,498.22

Finding the Fourth Proportional to 203,437,850.78, 305,128,031.16 and 65,245,498.22

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Solution

The fourth proportional to 203,437,850.78, 305,128,031.16 and 65,245,498.22 is: 97,859,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,437,850.78 : 305,128,031.16 = 65,245,498.22 : x
  2. Step 2: Convert to fraction form
    203,437,850.78/305,128,031.16 = 65,245,498.22/x
  3. Step 3: Cross multiply
    203,437,850.78x = 305,128,031.16 × 65,245,498.22
  4. Step 4: Simplify right side
    203,437,850.78x = 19,908,230,413,921,884
  5. Step 5: Solve for x
    x = 19,908,230,413,921,884/203,437,850.78
  6. Step 6: Final answer
    x = 97,859,028.38

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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.