Home / 100,851,231.40-151,276,847.10-100,095,404.20

Finding the Fourth Proportional to 100,851,231.40, 151,276,847.10 and 100,095,404.20

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Solution

The fourth proportional to 100,851,231.40, 151,276,847.10 and 100,095,404.20 is: 150,143,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,851,231.40 : 151,276,847.10 = 100,095,404.20 : x
  2. Step 2: Convert to fraction form
    100,851,231.40/151,276,847.10 = 100,095,404.20/x
  3. Step 3: Cross multiply
    100,851,231.40x = 151,276,847.10 × 100,095,404.20
  4. Step 4: Simplify right side
    100,851,231.40x = 15,142,117,156,576,098
  5. Step 5: Solve for x
    x = 15,142,117,156,576,098/100,851,231.40
  6. Step 6: Final answer
    x = 150,143,106.30

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1.5x scale

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.