Home / 110,592,816.80-165,889,225.20-100,515,120.80

Finding the Fourth Proportional to 110,592,816.80, 165,889,225.20 and 100,515,120.80

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Solution

The fourth proportional to 110,592,816.80, 165,889,225.20 and 100,515,120.80 is: 150,772,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,592,816.80 : 165,889,225.20 = 100,515,120.80 : x
  2. Step 2: Convert to fraction form
    110,592,816.80/165,889,225.20 = 100,515,120.80/x
  3. Step 3: Cross multiply
    110,592,816.80x = 165,889,225.20 × 100,515,120.80
  4. Step 4: Simplify right side
    110,592,816.80x = 16,674,375,510,396,402
  5. Step 5: Solve for x
    x = 16,674,375,510,396,402/110,592,816.80
  6. Step 6: Final answer
    x = 150,772,681.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.