Home / 103,468,393.55-155,203,150.75-30,685,804.85

Finding the Fourth Proportional to 103,468,393.55, 155,203,150.75 and 30,685,804.85

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Solution

The fourth proportional to 103,468,393.55, 155,203,150.75 and 30,685,804.85 is: 46,028,873.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,468,393.55 : 155,203,150.75 = 30,685,804.85 : x
  2. Step 2: Convert to fraction form
    103,468,393.55/155,203,150.75 = 30,685,804.85/x
  3. Step 3: Cross multiply
    103,468,393.55x = 155,203,150.75 × 30,685,804.85
  4. Step 4: Simplify right side
    103,468,393.55x = 4,762,533,596,019,631
  5. Step 5: Solve for x
    x = 4,762,533,596,019,631/103,468,393.55
  6. Step 6: Final answer
    x = 46,028,873.48

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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.