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Finding the Fourth Proportional to 100,602,003.60, 150,903,005.40 and 35,907,919.20

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Solution

The fourth proportional to 100,602,003.60, 150,903,005.40 and 35,907,919.20 is: 53,861,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,003.60 : 150,903,005.40 = 35,907,919.20 : x
  2. Step 2: Convert to fraction form
    100,602,003.60/150,903,005.40 = 35,907,919.20/x
  3. Step 3: Cross multiply
    100,602,003.60x = 150,903,005.40 × 35,907,919.20
  4. Step 4: Simplify right side
    100,602,003.60x = 5,418,612,924,940,364
  5. Step 5: Solve for x
    x = 5,418,612,924,940,364/100,602,003.60
  6. Step 6: Final answer
    x = 53,861,878.80

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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.