Home / 127,376,758.89-190,800,597.74-81,089,724.15

Finding the Fourth Proportional to 127,376,758.89, 190,800,597.74 and 81,089,724.15

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Solution

The fourth proportional to 127,376,758.89, 190,800,597.74 and 81,089,724.15 is: 121,466,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,376,758.89 : 190,800,597.74 = 81,089,724.15 : x
  2. Step 2: Convert to fraction form
    127,376,758.89/190,800,597.74 = 81,089,724.15/x
  3. Step 3: Cross multiply
    127,376,758.89x = 190,800,597.74 × 81,089,724.15
  4. Step 4: Simplify right side
    127,376,758.89x = 15,471,967,837,986,268
  5. Step 5: Solve for x
    x = 15,471,967,837,986,268/127,376,758.89
  6. Step 6: Final answer
    x = 121,466,176.19

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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.