Home / 98,778,816.20-148,183,970.70-41,241,470.60

Finding the Fourth Proportional to 98,778,816.20, 148,183,970.70 and 41,241,470.60

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Solution

The fourth proportional to 98,778,816.20, 148,183,970.70 and 41,241,470.60 is: 61,868,780.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,778,816.20 : 148,183,970.70 = 41,241,470.60 : x
  2. Step 2: Convert to fraction form
    98,778,816.20/148,183,970.70 = 41,241,470.60/x
  3. Step 3: Cross multiply
    98,778,816.20x = 148,183,970.70 × 41,241,470.60
  4. Step 4: Simplify right side
    98,778,816.20x = 6,111,324,871,015,311
  5. Step 5: Solve for x
    x = 6,111,324,871,015,311/98,778,816.20
  6. Step 6: Final answer
    x = 61,868,780.23

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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.