Home / 192,478,404-288,602,303.72-61,263,997.88

Finding the Fourth Proportional to 192,478,404, 288,602,303.72 and 61,263,997.88

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Solution

The fourth proportional to 192,478,404, 288,602,303.72 and 61,263,997.88 is: 91,859,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,478,404 : 288,602,303.72 = 61,263,997.88 : x
  2. Step 2: Convert to fraction form
    192,478,404/288,602,303.72 = 61,263,997.88/x
  3. Step 3: Cross multiply
    192,478,404x = 288,602,303.72 × 61,263,997.88
  4. Step 4: Simplify right side
    192,478,404x = 17,680,930,923,265,198
  5. Step 5: Solve for x
    x = 17,680,930,923,265,198/192,478,404
  6. Step 6: Final answer
    x = 91,859,297.23

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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.