Home / 198,852,320.81-298,260,077.26-93,783,572.19

Finding the Fourth Proportional to 198,852,320.81, 298,260,077.26 and 93,783,572.19

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Solution

The fourth proportional to 198,852,320.81, 298,260,077.26 and 93,783,572.19 is: 140,666,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,852,320.81 : 298,260,077.26 = 93,783,572.19 : x
  2. Step 2: Convert to fraction form
    198,852,320.81/298,260,077.26 = 93,783,572.19/x
  3. Step 3: Cross multiply
    198,852,320.81x = 298,260,077.26 × 93,783,572.19
  4. Step 4: Simplify right side
    198,852,320.81x = 27,971,895,486,639,268
  5. Step 5: Solve for x
    x = 27,971,895,486,639,268/198,852,320.81
  6. Step 6: Final answer
    x = 140,666,678.54

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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.