Home / 111,551,168.54-153,944,350.62-61,993,630.64

Finding the Fourth Proportional to 111,551,168.54, 153,944,350.62 and 61,993,630.64

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Solution

The fourth proportional to 111,551,168.54, 153,944,350.62 and 61,993,630.64 is: 85,553,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,551,168.54 : 153,944,350.62 = 61,993,630.64 : x
  2. Step 2: Convert to fraction form
    111,551,168.54/153,944,350.62 = 61,993,630.64/x
  3. Step 3: Cross multiply
    111,551,168.54x = 153,944,350.62 × 61,993,630.64
  4. Step 4: Simplify right side
    111,551,168.54x = 9,543,569,211,450,936
  5. Step 5: Solve for x
    x = 9,543,569,211,450,936/111,551,168.54
  6. Step 6: Final answer
    x = 85,553,287.66

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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.