Home / 186,930,640.75-257,963,650-103,296,436.51

Finding the Fourth Proportional to 186,930,640.75, 257,963,650 and 103,296,436.51

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Solution

The fourth proportional to 186,930,640.75, 257,963,650 and 103,296,436.51 is: 142,548,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,930,640.75 : 257,963,650 = 103,296,436.51 : x
  2. Step 2: Convert to fraction form
    186,930,640.75/257,963,650 = 103,296,436.51/x
  3. Step 3: Cross multiply
    186,930,640.75x = 257,963,650 × 103,296,436.51
  4. Step 4: Simplify right side
    186,930,640.75x = 26,646,725,794,112,864
  5. Step 5: Solve for x
    x = 26,646,725,794,112,864/186,930,640.75
  6. Step 6: Final answer
    x = 142,548,731.91

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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.