Home / 183,078,643.10-252,714,823.90-121,218,910.70

Finding the Fourth Proportional to 183,078,643.10, 252,714,823.90 and 121,218,910.70

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Solution

The fourth proportional to 183,078,643.10, 252,714,823.90 and 121,218,910.70 is: 167,325,992.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,078,643.10 : 252,714,823.90 = 121,218,910.70 : x
  2. Step 2: Convert to fraction form
    183,078,643.10/252,714,823.90 = 121,218,910.70/x
  3. Step 3: Cross multiply
    183,078,643.10x = 252,714,823.90 × 121,218,910.70
  4. Step 4: Simplify right side
    183,078,643.10x = 30,633,815,669,333,704
  5. Step 5: Solve for x
    x = 30,633,815,669,333,704/183,078,643.10
  6. Step 6: Final answer
    x = 167,325,992.54

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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.