Finding the Fourth Proportional to 53,824,543.80, 80,736,815.70 and 47,447,251.80
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Solution
The fourth proportional to 53,824,543.80, 80,736,815.70 and 47,447,251.80 is: 71,170,877.70
Step by Step Solution
- Step 1: Write the proportion equation
53,824,543.80 : 80,736,815.70 = 47,447,251.80 : x - Step 2: Convert to fraction form
53,824,543.80/80,736,815.70 = 47,447,251.80/x - Step 3: Cross multiply
53,824,543.80x = 80,736,815.70 × 47,447,251.80 - Step 4: Simplify right side
53,824,543.80x = 3,830,740,024,048,093 - Step 5: Solve for x
x = 3,830,740,024,048,093/53,824,543.80 - Step 6: Final answer
x = 71,170,877.70
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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.