Home / 143,744,108.60-215,616,162.90-109,306,731.80

Finding the Fourth Proportional to 143,744,108.60, 215,616,162.90 and 109,306,731.80

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Solution

The fourth proportional to 143,744,108.60, 215,616,162.90 and 109,306,731.80 is: 163,960,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,744,108.60 : 215,616,162.90 = 109,306,731.80 : x
  2. Step 2: Convert to fraction form
    143,744,108.60/215,616,162.90 = 109,306,731.80/x
  3. Step 3: Cross multiply
    143,744,108.60x = 215,616,162.90 × 109,306,731.80
  4. Step 4: Simplify right side
    143,744,108.60x = 23,568,298,089,855,412
  5. Step 5: Solve for x
    x = 23,568,298,089,855,412/143,744,108.60
  6. Step 6: Final answer
    x = 163,960,097.70

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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.