Home / 318,126,417.92-477,184,825.03-143,125,872.23

Finding the Fourth Proportional to 318,126,417.92, 477,184,825.03 and 143,125,872.23

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Solution

The fourth proportional to 318,126,417.92, 477,184,825.03 and 143,125,872.23 is: 214,686,647.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,126,417.92 : 477,184,825.03 = 143,125,872.23 : x
  2. Step 2: Convert to fraction form
    318,126,417.92/477,184,825.03 = 143,125,872.23/x
  3. Step 3: Cross multiply
    318,126,417.92x = 477,184,825.03 × 143,125,872.23
  4. Step 4: Simplify right side
    318,126,417.92x = 68,297,494,297,338,680
  5. Step 5: Solve for x
    x = 68,297,494,297,338,680/318,126,417.92
  6. Step 6: Final answer
    x = 214,686,647.98

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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.