Finding the Fourth Proportional to 90,513,876.48, 135,612,391.68 and 61,666,368
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Solution
The fourth proportional to 90,513,876.48, 135,612,391.68 and 61,666,368 is: 92,391,619.67
Step by Step Solution
- Step 1: Write the proportion equation
90,513,876.48 : 135,612,391.68 = 61,666,368 : x - Step 2: Convert to fraction form
90,513,876.48/135,612,391.68 = 61,666,368/x - Step 3: Cross multiply
90,513,876.48x = 135,612,391.68 × 61,666,368 - Step 4: Simplify right side
90,513,876.48x = 8,362,723,650,699,019 - Step 5: Solve for x
x = 8,362,723,650,699,019/90,513,876.48 - Step 6: Final answer
x = 92,391,619.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.