Home / 155,792,362.74-214,972,400.52-88,819,960.38

Finding the Fourth Proportional to 155,792,362.74, 214,972,400.52 and 88,819,960.38

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Solution

The fourth proportional to 155,792,362.74, 214,972,400.52 and 88,819,960.38 is: 122,559,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,792,362.74 : 214,972,400.52 = 88,819,960.38 : x
  2. Step 2: Convert to fraction form
    155,792,362.74/214,972,400.52 = 88,819,960.38/x
  3. Step 3: Cross multiply
    155,792,362.74x = 214,972,400.52 × 88,819,960.38
  4. Step 4: Simplify right side
    155,792,362.74x = 19,093,840,096,979,892
  5. Step 5: Solve for x
    x = 19,093,840,096,979,892/155,792,362.74
  6. Step 6: Final answer
    x = 122,559,538.61

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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.