Home / 69,818,821.36-104,656,373.39-30,975,566.40

Finding the Fourth Proportional to 69,818,821.36, 104,656,373.39 and 30,975,566.40

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Solution

The fourth proportional to 69,818,821.36, 104,656,373.39 and 30,975,566.40 is: 46,431,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,818,821.36 : 104,656,373.39 = 30,975,566.40 : x
  2. Step 2: Convert to fraction form
    69,818,821.36/104,656,373.39 = 30,975,566.40/x
  3. Step 3: Cross multiply
    69,818,821.36x = 104,656,373.39 × 30,975,566.40
  4. Step 4: Simplify right side
    69,818,821.36x = 3,241,790,443,202,577
  5. Step 5: Solve for x
    x = 3,241,790,443,202,577/69,818,821.36
  6. Step 6: Final answer
    x = 46,431,469.05

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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.