Finding the Fourth Proportional to 71,270,407.08, 98,353,161.66 and 38,675,359.08
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Solution
The fourth proportional to 71,270,407.08, 98,353,161.66 and 38,675,359.08 is: 53,371,995.47
Step by Step Solution
- Step 1: Write the proportion equation
71,270,407.08 : 98,353,161.66 = 38,675,359.08 : x - Step 2: Convert to fraction form
71,270,407.08/98,353,161.66 = 38,675,359.08/x - Step 3: Cross multiply
71,270,407.08x = 98,353,161.66 × 38,675,359.08 - Step 4: Simplify right side
71,270,407.08x = 3,803,843,843,853,788.50 - Step 5: Solve for x
x = 3,803,843,843,853,788.50/71,270,407.08 - Step 6: Final answer
x = 53,371,995.47
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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.