Finding the Fourth Proportional to 64,788,687.95, 89,408,705.36 and 35,420,021.91
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Solution
The fourth proportional to 64,788,687.95, 89,408,705.36 and 35,420,021.91 is: 48,879,802.99
Step by Step Solution
- Step 1: Write the proportion equation
64,788,687.95 : 89,408,705.36 = 35,420,021.91 : x - Step 2: Convert to fraction form
64,788,687.95/89,408,705.36 = 35,420,021.91/x - Step 3: Cross multiply
64,788,687.95x = 89,408,705.36 × 35,420,021.91 - Step 4: Simplify right side
64,788,687.95x = 3,166,858,302,618,834 - Step 5: Solve for x
x = 3,166,858,302,618,834/64,788,687.95 - Step 6: Final answer
x = 48,879,802.99
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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.