Home / 117,004,718.70-175,339,116.45-86,057,793.90

Finding the Fourth Proportional to 117,004,718.70, 175,339,116.45 and 86,057,793.90

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Solution

The fourth proportional to 117,004,718.70, 175,339,116.45 and 86,057,793.90 is: 128,963,153.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,004,718.70 : 175,339,116.45 = 86,057,793.90 : x
  2. Step 2: Convert to fraction form
    117,004,718.70/175,339,116.45 = 86,057,793.90/x
  3. Step 3: Cross multiply
    117,004,718.70x = 175,339,116.45 × 86,057,793.90
  4. Step 4: Simplify right side
    117,004,718.70x = 15,089,297,546,062,200
  5. Step 5: Solve for x
    x = 15,089,297,546,062,200/117,004,718.70
  6. Step 6: Final answer
    x = 128,963,153.91

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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.