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Finding the Fourth Proportional to 171,997,890.30, 241,477,290.90 and 171,997,890.30

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Solution

The fourth proportional to 171,997,890.30, 241,477,290.90 and 171,997,890.30 is: 241,477,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,997,890.30 : 241,477,290.90 = 171,997,890.30 : x
  2. Step 2: Convert to fraction form
    171,997,890.30/241,477,290.90 = 171,997,890.30/x
  3. Step 3: Cross multiply
    171,997,890.30x = 241,477,290.90 × 171,997,890.30
  4. Step 4: Simplify right side
    171,997,890.30x = 41,533,584,590,159,392
  5. Step 5: Solve for x
    x = 41,533,584,590,159,392/171,997,890.30
  6. Step 6: Final answer
    x = 241,477,290.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.