Home / 74,246,846.80-111,370,270.20-69,207,998.80

Finding the Fourth Proportional to 74,246,846.80, 111,370,270.20 and 69,207,998.80

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Solution

The fourth proportional to 74,246,846.80, 111,370,270.20 and 69,207,998.80 is: 103,811,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,246,846.80 : 111,370,270.20 = 69,207,998.80 : x
  2. Step 2: Convert to fraction form
    74,246,846.80/111,370,270.20 = 69,207,998.80/x
  3. Step 3: Cross multiply
    74,246,846.80x = 111,370,270.20 × 69,207,998.80
  4. Step 4: Simplify right side
    74,246,846.80x = 7,707,713,526,357,276
  5. Step 5: Solve for x
    x = 7,707,713,526,357,276/74,246,846.80
  6. Step 6: Final answer
    x = 103,811,998.20

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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.