Home / 45,139,408.90-62,311,452.69-30,474,937.85

Finding the Fourth Proportional to 45,139,408.90, 62,311,452.69 and 30,474,937.85

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Solution

The fourth proportional to 45,139,408.90, 62,311,452.69 and 30,474,937.85 is: 42,068,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,139,408.90 : 62,311,452.69 = 30,474,937.85 : x
  2. Step 2: Convert to fraction form
    45,139,408.90/62,311,452.69 = 30,474,937.85/x
  3. Step 3: Cross multiply
    45,139,408.90x = 62,311,452.69 × 30,474,937.85
  4. Step 4: Simplify right side
    45,139,408.90x = 1,898,937,648,224,191
  5. Step 5: Solve for x
    x = 1,898,937,648,224,191/45,139,408.90
  6. Step 6: Final answer
    x = 42,068,287.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.