Home / 107,661,172.70-161,529,083.85-47,120,347.10

Finding the Fourth Proportional to 107,661,172.70, 161,529,083.85 and 47,120,347.10

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Solution

The fourth proportional to 107,661,172.70, 161,529,083.85 and 47,120,347.10 is: 70,696,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,661,172.70 : 161,529,083.85 = 47,120,347.10 : x
  2. Step 2: Convert to fraction form
    107,661,172.70/161,529,083.85 = 47,120,347.10/x
  3. Step 3: Cross multiply
    107,661,172.70x = 161,529,083.85 × 47,120,347.10
  4. Step 4: Simplify right side
    107,661,172.70x = 7,611,306,497,757,004
  5. Step 5: Solve for x
    x = 7,611,306,497,757,004/107,661,172.70
  6. Step 6: Final answer
    x = 70,696,856.69

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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.