Finding the Fourth Proportional to 55,224,331.68, 82,860,898.24 and 28,956,894.56
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Solution
The fourth proportional to 55,224,331.68, 82,860,898.24 and 28,956,894.56 is: 43,448,136.36
Step by Step Solution
- Step 1: Write the proportion equation
55,224,331.68 : 82,860,898.24 = 28,956,894.56 : x - Step 2: Convert to fraction form
55,224,331.68/82,860,898.24 = 28,956,894.56/x - Step 3: Cross multiply
55,224,331.68x = 82,860,898.24 × 28,956,894.56 - Step 4: Simplify right side
55,224,331.68x = 2,399,394,293,482,569.50 - Step 5: Solve for x
x = 2,399,394,293,482,569.50/55,224,331.68 - Step 6: Final answer
x = 43,448,136.36
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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.