Home / 165,120,699.71-227,679,355.46-105,503,232.13

Finding the Fourth Proportional to 165,120,699.71, 227,679,355.46 and 105,503,232.13

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Solution

The fourth proportional to 165,120,699.71, 227,679,355.46 and 105,503,232.13 is: 145,474,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,120,699.71 : 227,679,355.46 = 105,503,232.13 : x
  2. Step 2: Convert to fraction form
    165,120,699.71/227,679,355.46 = 105,503,232.13/x
  3. Step 3: Cross multiply
    165,120,699.71x = 227,679,355.46 × 105,503,232.13
  4. Step 4: Simplify right side
    165,120,699.71x = 24,020,907,889,999,724
  5. Step 5: Solve for x
    x = 24,020,907,889,999,724/165,120,699.71
  6. Step 6: Final answer
    x = 145,474,843.14

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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.