Finding the Fourth Proportional to 135,411,570.63, 186,865,298.46 and 79,663,016.07
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Solution
The fourth proportional to 135,411,570.63, 186,865,298.46 and 79,663,016.07 is: 109,933,391.99
Step by Step Solution
- Step 1: Write the proportion equation
135,411,570.63 : 186,865,298.46 = 79,663,016.07 : x - Step 2: Convert to fraction form
135,411,570.63/186,865,298.46 = 79,663,016.07/x - Step 3: Cross multiply
135,411,570.63x = 186,865,298.46 × 79,663,016.07 - Step 4: Simplify right side
135,411,570.63x = 14,886,253,274,144,326 - Step 5: Solve for x
x = 14,886,253,274,144,326/135,411,570.63 - Step 6: Final answer
x = 109,933,391.99
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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.