Finding the Fourth Proportional to 256,810,671.95, 385,135,088.91 and 84,247,274.03
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Solution
The fourth proportional to 256,810,671.95, 385,135,088.91 and 84,247,274.03 is: 126,344,365.39
Step by Step Solution
- Step 1: Write the proportion equation
256,810,671.95 : 385,135,088.91 = 84,247,274.03 : x - Step 2: Convert to fraction form
256,810,671.95/385,135,088.91 = 84,247,274.03/x - Step 3: Cross multiply
256,810,671.95x = 385,135,088.91 × 84,247,274.03 - Step 4: Simplify right side
256,810,671.95x = 32,446,581,372,043,512 - Step 5: Solve for x
x = 32,446,581,372,043,512/256,810,671.95 - Step 6: Final answer
x = 126,344,365.39
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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.