Finding the Fourth Proportional to 189,175,513.20, 283,763,269.80 and 52,860,896.70
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Solution
The fourth proportional to 189,175,513.20, 283,763,269.80 and 52,860,896.70 is: 79,291,345.05
Step by Step Solution
- Step 1: Write the proportion equation
189,175,513.20 : 283,763,269.80 = 52,860,896.70 : x - Step 2: Convert to fraction form
189,175,513.20/283,763,269.80 = 52,860,896.70/x - Step 3: Cross multiply
189,175,513.20x = 283,763,269.80 × 52,860,896.70 - Step 4: Simplify right side
189,175,513.20x = 14,999,980,892,152,032 - Step 5: Solve for x
x = 14,999,980,892,152,032/189,175,513.20 - Step 6: Final answer
x = 79,291,345.05
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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.