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Finding the Fourth Proportional to 168,496,311.30, 236,575,080.30 and 168,496,311.30

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Solution

The fourth proportional to 168,496,311.30, 236,575,080.30 and 168,496,311.30 is: 236,575,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,496,311.30 : 236,575,080.30 = 168,496,311.30 : x
  2. Step 2: Convert to fraction form
    168,496,311.30/236,575,080.30 = 168,496,311.30/x
  3. Step 3: Cross multiply
    168,496,311.30x = 236,575,080.30 × 168,496,311.30
  4. Step 4: Simplify right side
    168,496,311.30x = 39,862,028,376,051,304
  5. Step 5: Solve for x
    x = 39,862,028,376,051,304/168,496,311.30
  6. Step 6: Final answer
    x = 236,575,080.30

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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.