Home / 89,751,738.60-134,627,607.90-74,446,237.80

Finding the Fourth Proportional to 89,751,738.60, 134,627,607.90 and 74,446,237.80

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Solution

The fourth proportional to 89,751,738.60, 134,627,607.90 and 74,446,237.80 is: 111,669,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,751,738.60 : 134,627,607.90 = 74,446,237.80 : x
  2. Step 2: Convert to fraction form
    89,751,738.60/134,627,607.90 = 74,446,237.80/x
  3. Step 3: Cross multiply
    89,751,738.60x = 134,627,607.90 × 74,446,237.80
  4. Step 4: Simplify right side
    89,751,738.60x = 10,022,518,912,168,558
  5. Step 5: Solve for x
    x = 10,022,518,912,168,558/89,751,738.60
  6. Step 6: Final answer
    x = 111,669,356.70

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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.