Finding the Fourth Proportional to 102,733,420.96, 141,772,310.40 and 55,690,348.96
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Solution
The fourth proportional to 102,733,420.96, 141,772,310.40 and 55,690,348.96 is: 76,852,784.28
Step by Step Solution
- Step 1: Write the proportion equation
102,733,420.96 : 141,772,310.40 = 55,690,348.96 : x - Step 2: Convert to fraction form
102,733,420.96/141,772,310.40 = 55,690,348.96/x - Step 3: Cross multiply
102,733,420.96x = 141,772,310.40 × 55,690,348.96 - Step 4: Simplify right side
102,733,420.96x = 7,895,349,439,041,438 - Step 5: Solve for x
x = 7,895,349,439,041,438/102,733,420.96 - Step 6: Final answer
x = 76,852,784.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.