Finding the Fourth Proportional to 102,446,881.73, 141,377,119.82 and 55,403,954.18
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Solution
The fourth proportional to 102,446,881.73, 141,377,119.82 and 55,403,954.18 is: 76,457,685.55
Step by Step Solution
- Step 1: Write the proportion equation
102,446,881.73 : 141,377,119.82 = 55,403,954.18 : x - Step 2: Convert to fraction form
102,446,881.73/141,377,119.82 = 55,403,954.18/x - Step 3: Cross multiply
102,446,881.73x = 141,377,119.82 × 55,403,954.18 - Step 4: Simplify right side
102,446,881.73x = 7,832,851,468,607,649 - Step 5: Solve for x
x = 7,832,851,468,607,649/102,446,881.73 - Step 6: Final answer
x = 76,457,685.55
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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.