Home / 55,358,499.70-83,037,749.55-18,954,791.20

Finding the Fourth Proportional to 55,358,499.70, 83,037,749.55 and 18,954,791.20

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Solution

The fourth proportional to 55,358,499.70, 83,037,749.55 and 18,954,791.20 is: 28,432,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,358,499.70 : 83,037,749.55 = 18,954,791.20 : x
  2. Step 2: Convert to fraction form
    55,358,499.70/83,037,749.55 = 18,954,791.20/x
  3. Step 3: Cross multiply
    55,358,499.70x = 83,037,749.55 × 18,954,791.20
  4. Step 4: Simplify right side
    55,358,499.70x = 1,573,963,204,438,143.75
  5. Step 5: Solve for x
    x = 1,573,963,204,438,143.75/55,358,499.70
  6. Step 6: Final answer
    x = 28,432,186.80

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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.