Finding the Fourth Proportional to 61,837,843.54, 85,369,354.66 and 47,678,103.99
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Solution
The fourth proportional to 61,837,843.54, 85,369,354.66 and 47,678,103.99 is: 65,821,327.78
Step by Step Solution
- Step 1: Write the proportion equation
61,837,843.54 : 85,369,354.66 = 47,678,103.99 : x - Step 2: Convert to fraction form
61,837,843.54/85,369,354.66 = 47,678,103.99/x - Step 3: Cross multiply
61,837,843.54x = 85,369,354.66 × 47,678,103.99 - Step 4: Simplify right side
61,837,843.54x = 4,070,248,969,098,268.50 - Step 5: Solve for x
x = 4,070,248,969,098,268.50/61,837,843.54 - Step 6: Final answer
x = 65,821,327.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.