Home / 210,361,850.72-315,576,682.78-64,795,344.40

Finding the Fourth Proportional to 210,361,850.72, 315,576,682.78 and 64,795,344.40

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Solution

The fourth proportional to 210,361,850.72, 315,576,682.78 and 64,795,344.40 is: 97,203,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,361,850.72 : 315,576,682.78 = 64,795,344.40 : x
  2. Step 2: Convert to fraction form
    210,361,850.72/315,576,682.78 = 64,795,344.40/x
  3. Step 3: Cross multiply
    210,361,850.72x = 315,576,682.78 × 64,795,344.40
  4. Step 4: Simplify right side
    210,361,850.72x = 20,447,899,845,339,648
  5. Step 5: Solve for x
    x = 20,447,899,845,339,648/210,361,850.72
  6. Step 6: Final answer
    x = 97,203,460.49

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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.