Finding the Fourth Proportional to 75,422,916.64, 113,213,537.70 and 66,841,915.96
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Solution
The fourth proportional to 75,422,916.64, 113,213,537.70 and 66,841,915.96 is: 100,333,030.19
Step by Step Solution
- Step 1: Write the proportion equation
75,422,916.64 : 113,213,537.70 = 66,841,915.96 : x - Step 2: Convert to fraction form
75,422,916.64/113,213,537.70 = 66,841,915.96/x - Step 3: Cross multiply
75,422,916.64x = 113,213,537.70 × 66,841,915.96 - Step 4: Simplify right side
75,422,916.64x = 7,567,409,772,477,692 - Step 5: Solve for x
x = 7,567,409,772,477,692/75,422,916.64 - Step 6: Final answer
x = 100,333,030.19
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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.