Finding the Fourth Proportional to 71,280,625.08, 98,367,302.97 and 38,685,577.08
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Solution
The fourth proportional to 71,280,625.08, 98,367,302.97 and 38,685,577.08 is: 53,386,118.27
Step by Step Solution
- Step 1: Write the proportion equation
71,280,625.08 : 98,367,302.97 = 38,685,577.08 : x - Step 2: Convert to fraction form
71,280,625.08/98,367,302.97 = 38,685,577.08/x - Step 3: Cross multiply
71,280,625.08x = 98,367,302.97 × 38,685,577.08 - Step 4: Simplify right side
71,280,625.08x = 3,805,395,881,197,647.50 - Step 5: Solve for x
x = 3,805,395,881,197,647.50/71,280,625.08 - Step 6: Final answer
x = 53,386,118.27
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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.