Home / 186,981,969.15-258,030,616.59-102,205,283.79

Finding the Fourth Proportional to 186,981,969.15, 258,030,616.59 and 102,205,283.79

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Solution

The fourth proportional to 186,981,969.15, 258,030,616.59 and 102,205,283.79 is: 141,040,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,981,969.15 : 258,030,616.59 = 102,205,283.79 : x
  2. Step 2: Convert to fraction form
    186,981,969.15/258,030,616.59 = 102,205,283.79/x
  3. Step 3: Cross multiply
    186,981,969.15x = 258,030,616.59 × 102,205,283.79
  4. Step 4: Simplify right side
    186,981,969.15x = 26,372,092,395,089,636
  5. Step 5: Solve for x
    x = 26,372,092,395,089,636/186,981,969.15
  6. Step 6: Final answer
    x = 141,040,831.45

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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.