Home / 130,407,771.80-195,611,657.70-84,491,269.40

Finding the Fourth Proportional to 130,407,771.80, 195,611,657.70 and 84,491,269.40

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Solution

The fourth proportional to 130,407,771.80, 195,611,657.70 and 84,491,269.40 is: 126,736,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,407,771.80 : 195,611,657.70 = 84,491,269.40 : x
  2. Step 2: Convert to fraction form
    130,407,771.80/195,611,657.70 = 84,491,269.40/x
  3. Step 3: Cross multiply
    130,407,771.80x = 195,611,657.70 × 84,491,269.40
  4. Step 4: Simplify right side
    130,407,771.80x = 16,527,477,268,511,284
  5. Step 5: Solve for x
    x = 16,527,477,268,511,284/130,407,771.80
  6. Step 6: Final answer
    x = 126,736,904.10

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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.