Home / 51,120,784.90-70,551,788.22-30,494,231.09

Finding the Fourth Proportional to 51,120,784.90, 70,551,788.22 and 30,494,231.09

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Solution

The fourth proportional to 51,120,784.90, 70,551,788.22 and 30,494,231.09 is: 42,085,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,120,784.90 : 70,551,788.22 = 30,494,231.09 : x
  2. Step 2: Convert to fraction form
    51,120,784.90/70,551,788.22 = 30,494,231.09/x
  3. Step 3: Cross multiply
    51,120,784.90x = 70,551,788.22 × 30,494,231.09
  4. Step 4: Simplify right side
    51,120,784.90x = 2,151,422,533,288,189.75
  5. Step 5: Solve for x
    x = 2,151,422,533,288,189.75/51,120,784.90
  6. Step 6: Final answer
    x = 42,085,084.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.