Finding the Fourth Proportional to 118,371,349.40, 177,557,024.10 and 75,430,916.60
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Solution
The fourth proportional to 118,371,349.40, 177,557,024.10 and 75,430,916.60 is: 113,146,374.90
Step by Step Solution
- Step 1: Write the proportion equation
118,371,349.40 : 177,557,024.10 = 75,430,916.60 : x - Step 2: Convert to fraction form
118,371,349.40/177,557,024.10 = 75,430,916.60/x - Step 3: Cross multiply
118,371,349.40x = 177,557,024.10 × 75,430,916.60 - Step 4: Simplify right side
118,371,349.40x = 13,393,289,076,631,288 - Step 5: Solve for x
x = 13,393,289,076,631,288/118,371,349.40 - Step 6: Final answer
x = 113,146,374.90
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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.