Home / 119,569,803.60-179,354,705.40-90,659,413.20

Finding the Fourth Proportional to 119,569,803.60, 179,354,705.40 and 90,659,413.20

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Solution

The fourth proportional to 119,569,803.60, 179,354,705.40 and 90,659,413.20 is: 135,989,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,569,803.60 : 179,354,705.40 = 90,659,413.20 : x
  2. Step 2: Convert to fraction form
    119,569,803.60/179,354,705.40 = 90,659,413.20/x
  3. Step 3: Cross multiply
    119,569,803.60x = 179,354,705.40 × 90,659,413.20
  4. Step 4: Simplify right side
    119,569,803.60x = 16,260,192,346,222,872
  5. Step 5: Solve for x
    x = 16,260,192,346,222,872/119,569,803.60
  6. Step 6: Final answer
    x = 135,989,119.80

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1.5x scale

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.