Home / 186,930,639.75-257,963,648.63-103,296,435.51

Finding the Fourth Proportional to 186,930,639.75, 257,963,648.63 and 103,296,435.51

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Solution

The fourth proportional to 186,930,639.75, 257,963,648.63 and 103,296,435.51 is: 142,548,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,930,639.75 : 257,963,648.63 = 103,296,435.51 : x
  2. Step 2: Convert to fraction form
    186,930,639.75/257,963,648.63 = 103,296,435.51/x
  3. Step 3: Cross multiply
    186,930,639.75x = 257,963,648.63 × 103,296,435.51
  4. Step 4: Simplify right side
    186,930,639.75x = 26,646,725,394,116,616
  5. Step 5: Solve for x
    x = 26,646,725,394,116,616/186,930,639.75
  6. Step 6: Final answer
    x = 142,548,730.53

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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.