Home / 107,405,816.80-161,108,725.20-30,731,346.40

Finding the Fourth Proportional to 107,405,816.80, 161,108,725.20 and 30,731,346.40

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Solution

The fourth proportional to 107,405,816.80, 161,108,725.20 and 30,731,346.40 is: 46,097,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,405,816.80 : 161,108,725.20 = 30,731,346.40 : x
  2. Step 2: Convert to fraction form
    107,405,816.80/161,108,725.20 = 30,731,346.40/x
  3. Step 3: Cross multiply
    107,405,816.80x = 161,108,725.20 × 30,731,346.40
  4. Step 4: Simplify right side
    107,405,816.80x = 4,951,088,042,183,609
  5. Step 5: Solve for x
    x = 4,951,088,042,183,609/107,405,816.80
  6. Step 6: Final answer
    x = 46,097,019.60

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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.