Finding the Fourth Proportional to 112,068,167.68, 154,678,119.36 and 70,788,805.12
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Solution
The fourth proportional to 112,068,167.68, 154,678,119.36 and 70,788,805.12 is: 97,703,741.16
Step by Step Solution
- Step 1: Write the proportion equation
112,068,167.68 : 154,678,119.36 = 70,788,805.12 : x - Step 2: Convert to fraction form
112,068,167.68/154,678,119.36 = 70,788,805.12/x - Step 3: Cross multiply
112,068,167.68x = 154,678,119.36 × 70,788,805.12 - Step 4: Simplify right side
112,068,167.68x = 10,949,479,247,703,140 - Step 5: Solve for x
x = 10,949,479,247,703,140/112,068,167.68 - Step 6: Final answer
x = 97,703,741.16
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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.