Home / 216,775,949.62-325,095,397.71-71,185,509.94

Finding the Fourth Proportional to 216,775,949.62, 325,095,397.71 and 71,185,509.94

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Solution

The fourth proportional to 216,775,949.62, 325,095,397.71 and 71,185,509.94 is: 106,755,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,775,949.62 : 325,095,397.71 = 71,185,509.94 : x
  2. Step 2: Convert to fraction form
    216,775,949.62/325,095,397.71 = 71,185,509.94/x
  3. Step 3: Cross multiply
    216,775,949.62x = 325,095,397.71 × 71,185,509.94
  4. Step 4: Simplify right side
    216,775,949.62x = 23,142,081,665,133,456
  5. Step 5: Solve for x
    x = 23,142,081,665,133,456/216,775,949.62
  6. Step 6: Final answer
    x = 106,755,761.91

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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.