Home / 18,167,833,076.22-25,070,563,606.74-10,138,543,441.74

Finding the Fourth Proportional to 18,167,833,076.22, 25,070,563,606.74 and 10,138,543,441.74

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Solution

The fourth proportional to 18,167,833,076.22, 25,070,563,606.74 and 10,138,543,441.74 is: 13,990,606,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167,833,076.22 : 25,070,563,606.74 = 10,138,543,441.74 : x
  2. Step 2: Convert to fraction form
    18,167,833,076.22/25,070,563,606.74 = 10,138,543,441.74/x
  3. Step 3: Cross multiply
    18,167,833,076.22x = 25,070,563,606.74 × 10,138,543,441.74
  4. Step 4: Simplify right side
    18,167,833,076.22x = 254,178,998,235,839,365,120
  5. Step 5: Solve for x
    x = 254,178,998,235,839,365,120/18,167,833,076.22
  6. Step 6: Final answer
    x = 13,990,606,208.76

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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.