Home / 106,531,838.97-146,972,108.57-61,870,208.33

Finding the Fourth Proportional to 106,531,838.97, 146,972,108.57 and 61,870,208.33

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Solution

The fourth proportional to 106,531,838.97, 146,972,108.57 and 61,870,208.33 is: 85,356,594.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,531,838.97 : 146,972,108.57 = 61,870,208.33 : x
  2. Step 2: Convert to fraction form
    106,531,838.97/146,972,108.57 = 61,870,208.33/x
  3. Step 3: Cross multiply
    106,531,838.97x = 146,972,108.57 × 61,870,208.33
  4. Step 4: Simplify right side
    106,531,838.97x = 9,093,194,974,881,068
  5. Step 5: Solve for x
    x = 9,093,194,974,881,068/106,531,838.97
  6. Step 6: Final answer
    x = 85,356,594.45

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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.