Finding the Fourth Proportional to 53,087,788.80, 79,634,307.60 and 27,578,620.80
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Solution
The fourth proportional to 53,087,788.80, 79,634,307.60 and 27,578,620.80 is: 41,369,294.55
Step by Step Solution
- Step 1: Write the proportion equation
53,087,788.80 : 79,634,307.60 = 27,578,620.80 : x - Step 2: Convert to fraction form
53,087,788.80/79,634,307.60 = 27,578,620.80/x - Step 3: Cross multiply
53,087,788.80x = 79,634,307.60 × 27,578,620.80 - Step 4: Simplify right side
53,087,788.80x = 2,196,204,371,970,958 - Step 5: Solve for x
x = 2,196,204,371,970,958/53,087,788.80 - Step 6: Final answer
x = 41,369,294.55
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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.