Finding the Fourth Proportional to 196,089,724.80, 294,173,340.84 and 57,917,732.94
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Solution
The fourth proportional to 196,089,724.80, 294,173,340.84 and 57,917,732.94 is: 86,888,045.82
Step by Step Solution
- Step 1: Write the proportion equation
196,089,724.80 : 294,173,340.84 = 57,917,732.94 : x - Step 2: Convert to fraction form
196,089,724.80/294,173,340.84 = 57,917,732.94/x - Step 3: Cross multiply
196,089,724.80x = 294,173,340.84 × 57,917,732.94 - Step 4: Simplify right side
196,089,724.80x = 17,037,852,992,838,714 - Step 5: Solve for x
x = 17,037,852,992,838,714/196,089,724.80 - Step 6: Final answer
x = 86,888,045.82
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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.