Finding the Fourth Proportional to 97,805,873.39, 134,975,142.72 and 53,752,071.69
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Solution
The fourth proportional to 97,805,873.39, 134,975,142.72 and 53,752,071.69 is: 74,179,528.25
Step by Step Solution
- Step 1: Write the proportion equation
97,805,873.39 : 134,975,142.72 = 53,752,071.69 : x - Step 2: Convert to fraction form
97,805,873.39/134,975,142.72 = 53,752,071.69/x - Step 3: Cross multiply
97,805,873.39x = 134,975,142.72 × 53,752,071.69 - Step 4: Simplify right side
97,805,873.39x = 7,255,193,547,853,421 - Step 5: Solve for x
x = 7,255,193,547,853,421/97,805,873.39 - Step 6: Final answer
x = 74,179,528.25
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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.