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Finding the Fourth Proportional to 201,187,631.88, 301,781,471.20 and 63,024,005.54

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Solution

The fourth proportional to 201,187,631.88, 301,781,471.20 and 63,024,005.54 is: 94,536,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,187,631.88 : 301,781,471.20 = 63,024,005.54 : x
  2. Step 2: Convert to fraction form
    201,187,631.88/301,781,471.20 = 63,024,005.54/x
  3. Step 3: Cross multiply
    201,187,631.88x = 301,781,471.20 × 63,024,005.54
  4. Step 4: Simplify right side
    201,187,631.88x = 19,019,477,112,778,148
  5. Step 5: Solve for x
    x = 19,019,477,112,778,148/201,187,631.88
  6. Step 6: Final answer
    x = 94,536,015.63

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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.