Home / 76,149,626.80-114,289,758.60-30,744,007.60

Finding the Fourth Proportional to 76,149,626.80, 114,289,758.60 and 30,744,007.60

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Solution

The fourth proportional to 76,149,626.80, 114,289,758.60 and 30,744,007.60 is: 46,142,382.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,149,626.80 : 114,289,758.60 = 30,744,007.60 : x
  2. Step 2: Convert to fraction form
    76,149,626.80/114,289,758.60 = 30,744,007.60/x
  3. Step 3: Cross multiply
    76,149,626.80x = 114,289,758.60 × 30,744,007.60
  4. Step 4: Simplify right side
    76,149,626.80x = 3,513,725,207,000,565.50
  5. Step 5: Solve for x
    x = 3,513,725,207,000,565.50/76,149,626.80
  6. Step 6: Final answer
    x = 46,142,382.50

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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.