Finding the Fourth Proportional to 124,420,938.80, 186,631,408.20 and 110,816,049.20
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Solution
The fourth proportional to 124,420,938.80, 186,631,408.20 and 110,816,049.20 is: 166,224,073.80
Step by Step Solution
- Step 1: Write the proportion equation
124,420,938.80 : 186,631,408.20 = 110,816,049.20 : x - Step 2: Convert to fraction form
124,420,938.80/186,631,408.20 = 110,816,049.20/x - Step 3: Cross multiply
124,420,938.80x = 186,631,408.20 × 110,816,049.20 - Step 4: Simplify right side
124,420,938.80x = 20,681,755,313,356,484 - Step 5: Solve for x
x = 20,681,755,313,356,484/124,420,938.80 - Step 6: Final answer
x = 166,224,073.80
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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.