Finding the Fourth Proportional to 51,750,439.68, 77,602,924.80 and 19,379,638.56
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Solution
The fourth proportional to 51,750,439.68, 77,602,924.80 and 19,379,638.56 is: 29,060,944.08
Step by Step Solution
- Step 1: Write the proportion equation
51,750,439.68 : 77,602,924.80 = 19,379,638.56 : x - Step 2: Convert to fraction form
51,750,439.68/77,602,924.80 = 19,379,638.56/x - Step 3: Cross multiply
51,750,439.68x = 77,602,924.80 × 19,379,638.56 - Step 4: Simplify right side
51,750,439.68x = 1,503,916,633,822,860.25 - Step 5: Solve for x
x = 1,503,916,633,822,860.25/51,750,439.68 - Step 6: Final answer
x = 29,060,944.08
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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.