Finding the Fourth Proportional to 136,242,272.12, 188,260,273.36 and 97,015,947.92
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Solution
The fourth proportional to 136,242,272.12, 188,260,273.36 and 97,015,947.92 is: 134,057,136.54
Step by Step Solution
- Step 1: Write the proportion equation
136,242,272.12 : 188,260,273.36 = 97,015,947.92 : x - Step 2: Convert to fraction form
136,242,272.12/188,260,273.36 = 97,015,947.92/x - Step 3: Cross multiply
136,242,272.12x = 188,260,273.36 × 97,015,947.92 - Step 4: Simplify right side
136,242,272.12x = 18,264,248,875,698,724 - Step 5: Solve for x
x = 18,264,248,875,698,724/136,242,272.12 - Step 6: Final answer
x = 134,057,136.54
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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.