Finding the Fourth Proportional to 64,865,524.81, 97,312,580.12 and 18,809,316.74
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Solution
The fourth proportional to 64,865,524.81, 97,312,580.12 and 18,809,316.74 is: 28,218,119.67
Step by Step Solution
- Step 1: Write the proportion equation
64,865,524.81 : 97,312,580.12 = 18,809,316.74 : x - Step 2: Convert to fraction form
64,865,524.81/97,312,580.12 = 18,809,316.74/x - Step 3: Cross multiply
64,865,524.81x = 97,312,580.12 × 18,809,316.74 - Step 4: Simplify right side
64,865,524.81x = 1,830,383,141,874,437 - Step 5: Solve for x
x = 1,830,383,141,874,437/64,865,524.81 - Step 6: Final answer
x = 28,218,119.67
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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.