Home / 45,384,408.55-67,722,640.70-40,493,090.79

Finding the Fourth Proportional to 45,384,408.55, 67,722,640.70 and 40,493,090.79

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Solution

The fourth proportional to 45,384,408.55, 67,722,640.70 and 40,493,090.79 is: 60,423,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,384,408.55 : 67,722,640.70 = 40,493,090.79 : x
  2. Step 2: Convert to fraction form
    45,384,408.55/67,722,640.70 = 40,493,090.79/x
  3. Step 3: Cross multiply
    45,384,408.55x = 67,722,640.70 × 40,493,090.79
  4. Step 4: Simplify right side
    45,384,408.55x = 2,742,299,038,403,649
  5. Step 5: Solve for x
    x = 2,742,299,038,403,649/45,384,408.55
  6. Step 6: Final answer
    x = 60,423,813.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.