Home / 198,852,321.81-298,260,078.75-93,783,573.19

Finding the Fourth Proportional to 198,852,321.81, 298,260,078.75 and 93,783,573.19

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Solution

The fourth proportional to 198,852,321.81, 298,260,078.75 and 93,783,573.19 is: 140,666,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,852,321.81 : 298,260,078.75 = 93,783,573.19 : x
  2. Step 2: Convert to fraction form
    198,852,321.81/298,260,078.75 = 93,783,573.19/x
  3. Step 3: Cross multiply
    198,852,321.81x = 298,260,078.75 × 93,783,573.19
  4. Step 4: Simplify right side
    198,852,321.81x = 27,971,895,925,105,788
  5. Step 5: Solve for x
    x = 27,971,895,925,105,788/198,852,321.81
  6. Step 6: Final answer
    x = 140,666,680.03

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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.