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Finding the Fourth Proportional to 65,143,214.80, 97,711,711.80 and 22,008,187.60

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Solution

The fourth proportional to 65,143,214.80, 97,711,711.80 and 22,008,187.60 is: 33,011,230.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,143,214.80 : 97,711,711.80 = 22,008,187.60 : x
  2. Step 2: Convert to fraction form
    65,143,214.80/97,711,711.80 = 22,008,187.60/x
  3. Step 3: Cross multiply
    65,143,214.80x = 97,711,711.80 × 22,008,187.60
  4. Step 4: Simplify right side
    65,143,214.80x = 2,150,457,684,011,533.75
  5. Step 5: Solve for x
    x = 2,150,457,684,011,533.75/65,143,214.80
  6. Step 6: Final answer
    x = 33,011,230.57

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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.