Finding the Fourth Proportional to 195,513,404.08, 269,778,504.90 and 112,991,252.08
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Solution
The fourth proportional to 195,513,404.08, 269,778,504.90 and 112,991,252.08 is: 155,910,594.45
Step by Step Solution
- Step 1: Write the proportion equation
195,513,404.08 : 269,778,504.90 = 112,991,252.08 : x - Step 2: Convert to fraction form
195,513,404.08/269,778,504.90 = 112,991,252.08/x - Step 3: Cross multiply
195,513,404.08x = 269,778,504.90 × 112,991,252.08 - Step 4: Simplify right side
195,513,404.08x = 30,482,611,052,921,412 - Step 5: Solve for x
x = 30,482,611,052,921,412/195,513,404.08 - Step 6: Final answer
x = 155,910,594.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.