Home / 89,345,093.60-134,017,640.40-66,670,277.60

Finding the Fourth Proportional to 89,345,093.60, 134,017,640.40 and 66,670,277.60

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Solution

The fourth proportional to 89,345,093.60, 134,017,640.40 and 66,670,277.60 is: 100,005,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,345,093.60 : 134,017,640.40 = 66,670,277.60 : x
  2. Step 2: Convert to fraction form
    89,345,093.60/134,017,640.40 = 66,670,277.60/x
  3. Step 3: Cross multiply
    89,345,093.60x = 134,017,640.40 × 66,670,277.60
  4. Step 4: Simplify right side
    89,345,093.60x = 8,934,993,288,764,976
  5. Step 5: Solve for x
    x = 8,934,993,288,764,976/89,345,093.60
  6. Step 6: Final answer
    x = 100,005,416.40

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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.