Home / 107,716,213.20-161,468,031.60-53,084,078.40

Finding the Fourth Proportional to 107,716,213.20, 161,468,031.60 and 53,084,078.40

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Solution

The fourth proportional to 107,716,213.20, 161,468,031.60 and 53,084,078.40 is: 79,573,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,716,213.20 : 161,468,031.60 = 53,084,078.40 : x
  2. Step 2: Convert to fraction form
    107,716,213.20/161,468,031.60 = 53,084,078.40/x
  3. Step 3: Cross multiply
    107,716,213.20x = 161,468,031.60 × 53,084,078.40
  4. Step 4: Simplify right side
    107,716,213.20x = 8,571,381,648,548,077
  5. Step 5: Solve for x
    x = 8,571,381,648,548,077/107,716,213.20
  6. Step 6: Final answer
    x = 79,573,737.27

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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.