Home / 216,503,506.56-298,485,807.84-171,997,152.96

Finding the Fourth Proportional to 216,503,506.56, 298,485,807.84 and 171,997,152.96

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Solution

The fourth proportional to 216,503,506.56, 298,485,807.84 and 171,997,152.96 is: 237,126,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,503,506.56 : 298,485,807.84 = 171,997,152.96 : x
  2. Step 2: Convert to fraction form
    216,503,506.56/298,485,807.84 = 171,997,152.96/x
  3. Step 3: Cross multiply
    216,503,506.56x = 298,485,807.84 × 171,997,152.96
  4. Step 4: Simplify right side
    216,503,506.56x = 51,338,709,147,445,648
  5. Step 5: Solve for x
    x = 51,338,709,147,445,648/216,503,506.56
  6. Step 6: Final answer
    x = 237,126,455.65

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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.