Home / 213,897,991.20-295,180,114.32-121,096,407.84

Finding the Fourth Proportional to 213,897,991.20, 295,180,114.32 and 121,096,407.84

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Solution

The fourth proportional to 213,897,991.20, 295,180,114.32 and 121,096,407.84 is: 167,113,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,897,991.20 : 295,180,114.32 = 121,096,407.84 : x
  2. Step 2: Convert to fraction form
    213,897,991.20/295,180,114.32 = 121,096,407.84/x
  3. Step 3: Cross multiply
    213,897,991.20x = 295,180,114.32 × 121,096,407.84
  4. Step 4: Simplify right side
    213,897,991.20x = 35,745,251,509,952,544
  5. Step 5: Solve for x
    x = 35,745,251,509,952,544/213,897,991.20
  6. Step 6: Final answer
    x = 167,113,544.68

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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.