Home / 199,563,353.60-299,596,972.80-107,520,396.80

Finding the Fourth Proportional to 199,563,353.60, 299,596,972.80 and 107,520,396.80

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Solution

The fourth proportional to 199,563,353.60, 299,596,972.80 and 107,520,396.80 is: 161,416,336.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,563,353.60 : 299,596,972.80 = 107,520,396.80 : x
  2. Step 2: Convert to fraction form
    199,563,353.60/299,596,972.80 = 107,520,396.80/x
  3. Step 3: Cross multiply
    199,563,353.60x = 299,596,972.80 × 107,520,396.80
  4. Step 4: Simplify right side
    199,563,353.60x = 32,212,785,395,534,808
  5. Step 5: Solve for x
    x = 32,212,785,395,534,808/199,563,353.60
  6. Step 6: Final answer
    x = 161,416,336.29

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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.