Home / 122,168,783.70-183,253,175.55-100,645,423.20

Finding the Fourth Proportional to 122,168,783.70, 183,253,175.55 and 100,645,423.20

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Solution

The fourth proportional to 122,168,783.70, 183,253,175.55 and 100,645,423.20 is: 150,968,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,168,783.70 : 183,253,175.55 = 100,645,423.20 : x
  2. Step 2: Convert to fraction form
    122,168,783.70/183,253,175.55 = 100,645,423.20/x
  3. Step 3: Cross multiply
    122,168,783.70x = 183,253,175.55 × 100,645,423.20
  4. Step 4: Simplify right side
    122,168,783.70x = 18,443,593,405,973,644
  5. Step 5: Solve for x
    x = 18,443,593,405,973,644/122,168,783.70
  6. Step 6: Final answer
    x = 150,968,134.80

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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.