Home / 250,311,161.76-345,430,170.72-138,809,853.60

Finding the Fourth Proportional to 250,311,161.76, 345,430,170.72 and 138,809,853.60

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Solution

The fourth proportional to 250,311,161.76, 345,430,170.72 and 138,809,853.60 is: 191,558,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,311,161.76 : 345,430,170.72 = 138,809,853.60 : x
  2. Step 2: Convert to fraction form
    250,311,161.76/345,430,170.72 = 138,809,853.60/x
  3. Step 3: Cross multiply
    250,311,161.76x = 345,430,170.72 × 138,809,853.60
  4. Step 4: Simplify right side
    250,311,161.76x = 47,949,111,426,666,208
  5. Step 5: Solve for x
    x = 47,949,111,426,666,208/250,311,161.76
  6. Step 6: Final answer
    x = 191,558,023.58

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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.