Finding the Fourth Proportional to 79,820,779.32, 110,144,415.60 and 58,923,906.84
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Solution
The fourth proportional to 79,820,779.32, 110,144,415.60 and 58,923,906.84 is: 81,308,893.99
Step by Step Solution
- Step 1: Write the proportion equation
79,820,779.32 : 110,144,415.60 = 58,923,906.84 : x - Step 2: Convert to fraction form
79,820,779.32/110,144,415.60 = 58,923,906.84/x - Step 3: Cross multiply
79,820,779.32x = 110,144,415.60 × 58,923,906.84 - Step 4: Simplify right side
79,820,779.32x = 6,490,139,283,760,643 - Step 5: Solve for x
x = 6,490,139,283,760,643/79,820,779.32 - Step 6: Final answer
x = 81,308,893.99
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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.