Home / 49,143,396.36-67,842,439.20-30,564,525.36

Finding the Fourth Proportional to 49,143,396.36, 67,842,439.20 and 30,564,525.36

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Solution

The fourth proportional to 49,143,396.36, 67,842,439.20 and 30,564,525.36 is: 42,194,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,143,396.36 : 67,842,439.20 = 30,564,525.36 : x
  2. Step 2: Convert to fraction form
    49,143,396.36/67,842,439.20 = 30,564,525.36/x
  3. Step 3: Cross multiply
    49,143,396.36x = 67,842,439.20 × 30,564,525.36
  4. Step 4: Simplify right side
    49,143,396.36x = 2,073,571,953,412,658.25
  5. Step 5: Solve for x
    x = 2,073,571,953,412,658.25/49,143,396.36
  6. Step 6: Final answer
    x = 42,194,315.15

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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.