Home / 128,846,958.90-193,245,494.66-50,063,330.98

Finding the Fourth Proportional to 128,846,958.90, 193,245,494.66 and 50,063,330.98

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Solution

The fourth proportional to 128,846,958.90, 193,245,494.66 and 50,063,330.98 is: 75,085,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,846,958.90 : 193,245,494.66 = 50,063,330.98 : x
  2. Step 2: Convert to fraction form
    128,846,958.90/193,245,494.66 = 50,063,330.98/x
  3. Step 3: Cross multiply
    128,846,958.90x = 193,245,494.66 × 50,063,330.98
  4. Step 4: Simplify right side
    128,846,958.90x = 9,674,513,159,557,402
  5. Step 5: Solve for x
    x = 9,674,513,159,557,402/128,846,958.90
  6. Step 6: Final answer
    x = 75,085,304.63

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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.