Finding the Fourth Proportional to 97,095,980.32, 133,994,428.09 and 53,045,832.28
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Solution
The fourth proportional to 97,095,980.32, 133,994,428.09 and 53,045,832.28 is: 73,204,327.67
Step by Step Solution
- Step 1: Write the proportion equation
97,095,980.32 : 133,994,428.09 = 53,045,832.28 : x - Step 2: Convert to fraction form
97,095,980.32/133,994,428.09 = 53,045,832.28/x - Step 3: Cross multiply
97,095,980.32x = 133,994,428.09 × 53,045,832.28 - Step 4: Simplify right side
97,095,980.32x = 7,107,845,958,814,035 - Step 5: Solve for x
x = 7,107,845,958,814,035/97,095,980.32 - Step 6: Final answer
x = 73,204,327.67
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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.