Finding the Fourth Proportional to 81,730,770,237.18, 122,602,573,377 and 22,038,533,821.26
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Solution
The fourth proportional to 81,730,770,237.18, 122,602,573,377 and 22,038,533,821.26 is: 33,059,531,338.09
Step by Step Solution
- Step 1: Write the proportion equation
81,730,770,237.18 : 122,602,573,377 = 22,038,533,821.26 : x - Step 2: Convert to fraction form
81,730,770,237.18/122,602,573,377 = 22,038,533,821.26/x - Step 3: Cross multiply
81,730,770,237.18x = 122,602,573,377 × 22,038,533,821.26 - Step 4: Simplify right side
81,730,770,237.18x = 2,701,980,959,942,525,321,216 - Step 5: Solve for x
x = 2,701,980,959,942,525,321,216/81,730,770,237.18 - Step 6: Final answer
x = 33,059,531,338.09
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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.