Finding the Fourth Proportional to 118,088,940.98, 177,121,451.76 and 31,836,066.68
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Solution
The fourth proportional to 118,088,940.98, 177,121,451.76 and 31,836,066.68 is: 47,750,875.75
Step by Step Solution
- Step 1: Write the proportion equation
118,088,940.98 : 177,121,451.76 = 31,836,066.68 : x - Step 2: Convert to fraction form
118,088,940.98/177,121,451.76 = 31,836,066.68/x - Step 3: Cross multiply
118,088,940.98x = 177,121,451.76 × 31,836,066.68 - Step 4: Simplify right side
118,088,940.98x = 5,638,850,347,804,156 - Step 5: Solve for x
x = 5,638,850,347,804,156/118,088,940.98 - Step 6: Final answer
x = 47,750,875.75
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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.