Finding the Fourth Proportional to 74,836,233.60, 112,348,828.80 and 40,320,124.80
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Solution
The fourth proportional to 74,836,233.60, 112,348,828.80 and 40,320,124.80 is: 60,531,090.09
Step by Step Solution
- Step 1: Write the proportion equation
74,836,233.60 : 112,348,828.80 = 40,320,124.80 : x - Step 2: Convert to fraction form
74,836,233.60/112,348,828.80 = 40,320,124.80/x - Step 3: Cross multiply
74,836,233.60x = 112,348,828.80 × 40,320,124.80 - Step 4: Simplify right side
74,836,233.60x = 4,529,918,798,349,834 - Step 5: Solve for x
x = 4,529,918,798,349,834/74,836,233.60 - Step 6: Final answer
x = 60,531,090.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.