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Finding the Fourth Proportional to 220,161,344.40, 330,240,704.40 and 56,398,784.40

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Solution

The fourth proportional to 220,161,344.40, 330,240,704.40 and 56,398,784.40 is: 84,597,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,161,344.40 : 330,240,704.40 = 56,398,784.40 : x
  2. Step 2: Convert to fraction form
    220,161,344.40/330,240,704.40 = 56,398,784.40/x
  3. Step 3: Cross multiply
    220,161,344.40x = 330,240,704.40 × 56,398,784.40
  4. Step 4: Simplify right side
    220,161,344.40x = 18,625,174,287,559,728
  5. Step 5: Solve for x
    x = 18,625,174,287,559,728/220,161,344.40
  6. Step 6: Final answer
    x = 84,597,840.45

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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.