Finding the Fourth Proportional to 159,909,517.18, 220,686,552.94 and 88,380,859.98
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Solution
The fourth proportional to 159,909,517.18, 220,686,552.94 and 88,380,859.98 is: 121,971,898.10
Step by Step Solution
- Step 1: Write the proportion equation
159,909,517.18 : 220,686,552.94 = 88,380,859.98 : x - Step 2: Convert to fraction form
159,909,517.18/220,686,552.94 = 88,380,859.98/x - Step 3: Cross multiply
159,909,517.18x = 220,686,552.94 × 88,380,859.98 - Step 4: Simplify right side
159,909,517.18x = 19,504,467,334,307,284 - Step 5: Solve for x
x = 19,504,467,334,307,284/159,909,517.18 - Step 6: Final answer
x = 121,971,898.10
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.