Home / 150,160,841.76-207,293,817.91-100,008,521.69

Finding the Fourth Proportional to 150,160,841.76, 207,293,817.91 and 100,008,521.69

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Solution

The fourth proportional to 150,160,841.76, 207,293,817.91 and 100,008,521.69 is: 138,059,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,160,841.76 : 207,293,817.91 = 100,008,521.69 : x
  2. Step 2: Convert to fraction form
    150,160,841.76/207,293,817.91 = 100,008,521.69/x
  3. Step 3: Cross multiply
    150,160,841.76x = 207,293,817.91 × 100,008,521.69
  4. Step 4: Simplify right side
    150,160,841.76x = 20,731,148,284,405,124
  5. Step 5: Solve for x
    x = 20,731,148,284,405,124/150,160,841.76
  6. Step 6: Final answer
    x = 138,059,616.89

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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.