Home / 186,981,966.14-258,030,612.45-102,205,280.79

Finding the Fourth Proportional to 186,981,966.14, 258,030,612.45 and 102,205,280.79

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Solution

The fourth proportional to 186,981,966.14, 258,030,612.45 and 102,205,280.79 is: 141,040,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,981,966.14 : 258,030,612.45 = 102,205,280.79 : x
  2. Step 2: Convert to fraction form
    186,981,966.14/258,030,612.45 = 102,205,280.79/x
  3. Step 3: Cross multiply
    186,981,966.14x = 258,030,612.45 × 102,205,280.79
  4. Step 4: Simplify right side
    186,981,966.14x = 26,372,091,197,867,920
  5. Step 5: Solve for x
    x = 26,372,091,197,867,920/186,981,966.14
  6. Step 6: Final answer
    x = 141,040,827.32

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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.