Home / 70,735,800-106,103,694.24-19,617,818.16

Finding the Fourth Proportional to 70,735,800, 106,103,694.24 and 19,617,818.16

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Solution

The fourth proportional to 70,735,800, 106,103,694.24 and 19,617,818.16 is: 29,426,725.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,735,800 : 106,103,694.24 = 19,617,818.16 : x
  2. Step 2: Convert to fraction form
    70,735,800/106,103,694.24 = 19,617,818.16/x
  3. Step 3: Cross multiply
    70,735,800x = 106,103,694.24 × 19,617,818.16
  4. Step 4: Simplify right side
    70,735,800x = 2,081,522,979,704,559.25
  5. Step 5: Solve for x
    x = 2,081,522,979,704,559.25/70,735,800
  6. Step 6: Final answer
    x = 29,426,725.64

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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.