Home / 66,325,387.05-91,529,223.71-38,453,513.85

Finding the Fourth Proportional to 66,325,387.05, 91,529,223.71 and 38,453,513.85

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Solution

The fourth proportional to 66,325,387.05, 91,529,223.71 and 38,453,513.85 is: 53,065,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,325,387.05 : 91,529,223.71 = 38,453,513.85 : x
  2. Step 2: Convert to fraction form
    66,325,387.05/91,529,223.71 = 38,453,513.85/x
  3. Step 3: Cross multiply
    66,325,387.05x = 91,529,223.71 × 38,453,513.85
  4. Step 4: Simplify right side
    66,325,387.05x = 3,519,620,271,419,966
  5. Step 5: Solve for x
    x = 3,519,620,271,419,966/66,325,387.05
  6. Step 6: Final answer
    x = 53,065,959.02

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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.