Home / 142,971,198.73-214,429,369.87-55,532,618.89

Finding the Fourth Proportional to 142,971,198.73, 214,429,369.87 and 55,532,618.89

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Solution

The fourth proportional to 142,971,198.73, 214,429,369.87 and 55,532,618.89 is: 83,288,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,971,198.73 : 214,429,369.87 = 55,532,618.89 : x
  2. Step 2: Convert to fraction form
    142,971,198.73/214,429,369.87 = 55,532,618.89/x
  3. Step 3: Cross multiply
    142,971,198.73x = 214,429,369.87 × 55,532,618.89
  4. Step 4: Simplify right side
    142,971,198.73x = 11,907,824,475,813,560
  5. Step 5: Solve for x
    x = 11,907,824,475,813,560/142,971,198.73
  6. Step 6: Final answer
    x = 83,288,274.71

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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.