Home / 89,183,530.40-133,775,295.60-75,578,640.80

Finding the Fourth Proportional to 89,183,530.40, 133,775,295.60 and 75,578,640.80

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Solution

The fourth proportional to 89,183,530.40, 133,775,295.60 and 75,578,640.80 is: 113,367,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,183,530.40 : 133,775,295.60 = 75,578,640.80 : x
  2. Step 2: Convert to fraction form
    89,183,530.40/133,775,295.60 = 75,578,640.80/x
  3. Step 3: Cross multiply
    89,183,530.40x = 133,775,295.60 × 75,578,640.80
  4. Step 4: Simplify right side
    89,183,530.40x = 10,110,555,014,066,220
  5. Step 5: Solve for x
    x = 10,110,555,014,066,220/89,183,530.40
  6. Step 6: Final answer
    x = 113,367,961.20

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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.