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Finding the Fourth Proportional to 101,990,415.85, 153,015,469.03 and 32,901,890.29

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Solution

The fourth proportional to 101,990,415.85, 153,015,469.03 and 32,901,890.29 is: 49,362,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,990,415.85 : 153,015,469.03 = 32,901,890.29 : x
  2. Step 2: Convert to fraction form
    101,990,415.85/153,015,469.03 = 32,901,890.29/x
  3. Step 3: Cross multiply
    101,990,415.85x = 153,015,469.03 × 32,901,890.29
  4. Step 4: Simplify right side
    101,990,415.85x = 5,034,498,174,697,953
  5. Step 5: Solve for x
    x = 5,034,498,174,697,953/101,990,415.85
  6. Step 6: Final answer
    x = 49,362,463.45

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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.