Home / 100,732,672.80-151,099,009.20-80,577,280.80

Finding the Fourth Proportional to 100,732,672.80, 151,099,009.20 and 80,577,280.80

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Solution

The fourth proportional to 100,732,672.80, 151,099,009.20 and 80,577,280.80 is: 120,865,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,732,672.80 : 151,099,009.20 = 80,577,280.80 : x
  2. Step 2: Convert to fraction form
    100,732,672.80/151,099,009.20 = 80,577,280.80/x
  3. Step 3: Cross multiply
    100,732,672.80x = 151,099,009.20 × 80,577,280.80
  4. Step 4: Simplify right side
    100,732,672.80x = 12,175,147,292,910,182
  5. Step 5: Solve for x
    x = 12,175,147,292,910,182/100,732,672.80
  6. Step 6: Final answer
    x = 120,865,921.20

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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.