Home / 78,074,946.54-107,743,706.73-43,268,229.18

Finding the Fourth Proportional to 78,074,946.54, 107,743,706.73 and 43,268,229.18

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Solution

The fourth proportional to 78,074,946.54, 107,743,706.73 and 43,268,229.18 is: 59,710,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,074,946.54 : 107,743,706.73 = 43,268,229.18 : x
  2. Step 2: Convert to fraction form
    78,074,946.54/107,743,706.73 = 43,268,229.18/x
  3. Step 3: Cross multiply
    78,074,946.54x = 107,743,706.73 × 43,268,229.18
  4. Step 4: Simplify right side
    78,074,946.54x = 4,661,879,395,496,349
  5. Step 5: Solve for x
    x = 4,661,879,395,496,349/78,074,946.54
  6. Step 6: Final answer
    x = 59,710,311.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.