Finding the Fourth Proportional to 242,464,408.20, 363,696,612.30 and 145,529,569.80
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Solution
The fourth proportional to 242,464,408.20, 363,696,612.30 and 145,529,569.80 is: 218,294,354.70
Step by Step Solution
- Step 1: Write the proportion equation
242,464,408.20 : 363,696,612.30 = 145,529,569.80 : x - Step 2: Convert to fraction form
242,464,408.20/363,696,612.30 = 145,529,569.80/x - Step 3: Cross multiply
242,464,408.20x = 363,696,612.30 × 145,529,569.80 - Step 4: Simplify right side
242,464,408.20x = 52,928,611,525,736,392 - Step 5: Solve for x
x = 52,928,611,525,736,392/242,464,408.20 - Step 6: Final answer
x = 218,294,354.70
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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.