Finding the Fourth Proportional to 138,891,270,235.81, 208,346,946,564.96 and 58,135,755,366.09
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Solution
The fourth proportional to 138,891,270,235.81, 208,346,946,564.96 and 58,135,755,366.09 is: 87,207,836,001.55
Step by Step Solution
- Step 1: Write the proportion equation
138,891,270,235.81 : 208,346,946,564.96 = 58,135,755,366.09 : x - Step 2: Convert to fraction form
138,891,270,235.81/208,346,946,564.96 = 58,135,755,366.09/x - Step 3: Cross multiply
138,891,270,235.81x = 208,346,946,564.96 × 58,135,755,366.09 - Step 4: Simplify right side
138,891,270,235.81x = 12,112,407,116,771,921,756,160 - Step 5: Solve for x
x = 12,112,407,116,771,921,756,160/138,891,270,235.81 - Step 6: Final answer
x = 87,207,836,001.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.