Home / 49,786,107.20-74,679,160.80-11,963,643.20

Finding the Fourth Proportional to 49,786,107.20, 74,679,160.80 and 11,963,643.20

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Solution

The fourth proportional to 49,786,107.20, 74,679,160.80 and 11,963,643.20 is: 17,945,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,786,107.20 : 74,679,160.80 = 11,963,643.20 : x
  2. Step 2: Convert to fraction form
    49,786,107.20/74,679,160.80 = 11,963,643.20/x
  3. Step 3: Cross multiply
    49,786,107.20x = 74,679,160.80 × 11,963,643.20
  4. Step 4: Simplify right side
    49,786,107.20x = 893,434,834,286,626.50
  5. Step 5: Solve for x
    x = 893,434,834,286,626.50/49,786,107.20
  6. Step 6: Final answer
    x = 17,945,464.80

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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.