Finding the Fourth Proportional to 121,689,778.76, 182,411,770.86 and 76,283,399.24
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Solution
The fourth proportional to 121,689,778.76, 182,411,770.86 and 76,283,399.24 is: 114,348,058.52
Step by Step Solution
- Step 1: Write the proportion equation
121,689,778.76 : 182,411,770.86 = 76,283,399.24 : x - Step 2: Convert to fraction form
121,689,778.76/182,411,770.86 = 76,283,399.24/x - Step 3: Cross multiply
121,689,778.76x = 182,411,770.86 × 76,283,399.24 - Step 4: Simplify right side
121,689,778.76x = 13,914,989,942,588,778 - Step 5: Solve for x
x = 13,914,989,942,588,778/121,689,778.76 - Step 6: Final answer
x = 114,348,058.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.