Home / 291,244,135.80-401,914,190.34-159,085,081.74

Finding the Fourth Proportional to 291,244,135.80, 401,914,190.34 and 159,085,081.74

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Solution

The fourth proportional to 291,244,135.80, 401,914,190.34 and 159,085,081.74 is: 219,535,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,244,135.80 : 401,914,190.34 = 159,085,081.74 : x
  2. Step 2: Convert to fraction form
    291,244,135.80/401,914,190.34 = 159,085,081.74/x
  3. Step 3: Cross multiply
    291,244,135.80x = 401,914,190.34 × 159,085,081.74
  4. Step 4: Simplify right side
    291,244,135.80x = 63,938,551,822,704,816
  5. Step 5: Solve for x
    x = 63,938,551,822,704,816/291,244,135.80
  6. Step 6: Final answer
    x = 219,535,928.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.