Home / 72,074,740.50-108,151,468.34-30,569,160.60

Finding the Fourth Proportional to 72,074,740.50, 108,151,468.34 and 30,569,160.60

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Solution

The fourth proportional to 72,074,740.50, 108,151,468.34 and 30,569,160.60 is: 45,870,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,074,740.50 : 108,151,468.34 = 30,569,160.60 : x
  2. Step 2: Convert to fraction form
    72,074,740.50/108,151,468.34 = 30,569,160.60/x
  3. Step 3: Cross multiply
    72,074,740.50x = 108,151,468.34 × 30,569,160.60
  4. Step 4: Simplify right side
    72,074,740.50x = 3,306,099,604,658,429.50
  5. Step 5: Solve for x
    x = 3,306,099,604,658,429.50/72,074,740.50
  6. Step 6: Final answer
    x = 45,870,433.69

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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.