Home / 102,019,619.20-153,328,027.20-88,881,289.60

Finding the Fourth Proportional to 102,019,619.20, 153,328,027.20 and 88,881,289.60

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Solution

The fourth proportional to 102,019,619.20, 153,328,027.20 and 88,881,289.60 is: 133,582,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,019,619.20 : 153,328,027.20 = 88,881,289.60 : x
  2. Step 2: Convert to fraction form
    102,019,619.20/153,328,027.20 = 88,881,289.60/x
  3. Step 3: Cross multiply
    102,019,619.20x = 153,328,027.20 × 88,881,289.60
  4. Step 4: Simplify right side
    102,019,619.20x = 13,627,992,789,359,876
  5. Step 5: Solve for x
    x = 13,627,992,789,359,876/102,019,619.20
  6. Step 6: Final answer
    x = 133,582,078.59

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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.