Home / 76,994,828.22-115,492,242.33-25,876,847.10

Finding the Fourth Proportional to 76,994,828.22, 115,492,242.33 and 25,876,847.10

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Solution

The fourth proportional to 76,994,828.22, 115,492,242.33 and 25,876,847.10 is: 38,815,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,994,828.22 : 115,492,242.33 = 25,876,847.10 : x
  2. Step 2: Convert to fraction form
    76,994,828.22/115,492,242.33 = 25,876,847.10/x
  3. Step 3: Cross multiply
    76,994,828.22x = 115,492,242.33 × 25,876,847.10
  4. Step 4: Simplify right side
    76,994,828.22x = 2,988,575,096,009,558
  5. Step 5: Solve for x
    x = 2,988,575,096,009,558/76,994,828.22
  6. Step 6: Final answer
    x = 38,815,270.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.