Home / 190,974,694.48-286,258,091.16-108,916,882.54

Finding the Fourth Proportional to 190,974,694.48, 286,258,091.16 and 108,916,882.54

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Solution

The fourth proportional to 190,974,694.48, 286,258,091.16 and 108,916,882.54 is: 163,259,006.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,974,694.48 : 286,258,091.16 = 108,916,882.54 : x
  2. Step 2: Convert to fraction form
    190,974,694.48/286,258,091.16 = 108,916,882.54/x
  3. Step 3: Cross multiply
    190,974,694.48x = 286,258,091.16 × 108,916,882.54
  4. Step 4: Simplify right side
    190,974,694.48x = 31,178,338,890,998,336
  5. Step 5: Solve for x
    x = 31,178,338,890,998,336/190,974,694.48
  6. Step 6: Final answer
    x = 163,259,006.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.