Finding the Fourth Proportional to 252,239,106.96, 348,089,813.64 and 136,345,602.96
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Solution
The fourth proportional to 252,239,106.96, 348,089,813.64 and 136,345,602.96 is: 188,156,848.86
Step by Step Solution
- Step 1: Write the proportion equation
252,239,106.96 : 348,089,813.64 = 136,345,602.96 : x - Step 2: Convert to fraction form
252,239,106.96/348,089,813.64 = 136,345,602.96/x - Step 3: Cross multiply
252,239,106.96x = 348,089,813.64 × 136,345,602.96 - Step 4: Simplify right side
252,239,106.96x = 47,460,515,524,979,832 - Step 5: Solve for x
x = 47,460,515,524,979,832/252,239,106.96 - Step 6: Final answer
x = 188,156,848.86
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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.