Finding the Fourth Proportional to 48,343,049.78, 66,713,406.18 and 26,316,708.44
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Solution
The fourth proportional to 48,343,049.78, 66,713,406.18 and 26,316,708.44 is: 36,317,056.28
Step by Step Solution
- Step 1: Write the proportion equation
48,343,049.78 : 66,713,406.18 = 26,316,708.44 : x - Step 2: Convert to fraction form
48,343,049.78/66,713,406.18 = 26,316,708.44/x - Step 3: Cross multiply
48,343,049.78x = 66,713,406.18 × 26,316,708.44 - Step 4: Simplify right side
48,343,049.78x = 1,755,677,259,478,354.25 - Step 5: Solve for x
x = 1,755,677,259,478,354.25/48,343,049.78 - Step 6: Final answer
x = 36,317,056.28
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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.