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Finding the Fourth Proportional to 100,602,027.60, 150,903,041.40 and 35,907,943.20

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Solution

The fourth proportional to 100,602,027.60, 150,903,041.40 and 35,907,943.20 is: 53,861,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,027.60 : 150,903,041.40 = 35,907,943.20 : x
  2. Step 2: Convert to fraction form
    100,602,027.60/150,903,041.40 = 35,907,943.20/x
  3. Step 3: Cross multiply
    100,602,027.60x = 150,903,041.40 × 35,907,943.20
  4. Step 4: Simplify right side
    100,602,027.60x = 5,418,617,839,298,449
  5. Step 5: Solve for x
    x = 5,418,617,839,298,449/100,602,027.60
  6. Step 6: Final answer
    x = 53,861,914.80

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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.