Home / 55,104,113.91-82,668,128.28-16,764,631.63

Finding the Fourth Proportional to 55,104,113.91, 82,668,128.28 and 16,764,631.63

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Solution

The fourth proportional to 55,104,113.91, 82,668,128.28 and 16,764,631.63 is: 25,150,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,104,113.91 : 82,668,128.28 = 16,764,631.63 : x
  2. Step 2: Convert to fraction form
    55,104,113.91/82,668,128.28 = 16,764,631.63/x
  3. Step 3: Cross multiply
    55,104,113.91x = 82,668,128.28 × 16,764,631.63
  4. Step 4: Simplify right side
    55,104,113.91x = 1,385,900,718,155,785.50
  5. Step 5: Solve for x
    x = 1,385,900,718,155,785.50/55,104,113.91
  6. Step 6: Final answer
    x = 25,150,585.32

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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.