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Finding the Fourth Proportional to 169,615,405.15, 254,423,107.73 and 169,615,405.15

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Solution

The fourth proportional to 169,615,405.15, 254,423,107.73 and 169,615,405.15 is: 254,423,107.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,615,405.15 : 254,423,107.73 = 169,615,405.15 : x
  2. Step 2: Convert to fraction form
    169,615,405.15/254,423,107.73 = 169,615,405.15/x
  3. Step 3: Cross multiply
    169,615,405.15x = 254,423,107.73 × 169,615,405.15
  4. Step 4: Simplify right side
    169,615,405.15x = 43,154,078,497,146,048
  5. Step 5: Solve for x
    x = 43,154,078,497,146,048/169,615,405.15
  6. Step 6: Final answer
    x = 254,423,107.73

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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.