Finding the Fourth Proportional to 143,737,015,627.08, 197,318,379,718.62 and 123,379,128,325.08
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Solution
The fourth proportional to 143,737,015,627.08, 197,318,379,718.62 and 123,379,128,325.08 is: 169,371,609,574.55
Step by Step Solution
- Step 1: Write the proportion equation
143,737,015,627.08 : 197,318,379,718.62 = 123,379,128,325.08 : x - Step 2: Convert to fraction form
143,737,015,627.08/197,318,379,718.62 = 123,379,128,325.08/x - Step 3: Cross multiply
143,737,015,627.08x = 197,318,379,718.62 × 123,379,128,325.08 - Step 4: Simplify right side
143,737,015,627.08x = 24,344,969,692,200,480,800,768 - Step 5: Solve for x
x = 24,344,969,692,200,480,800,768/143,737,015,627.08 - Step 6: Final answer
x = 169,371,609,574.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.