Finding the Fourth Proportional to 52,395,403.26, 78,224,701.14 and 40,034,676.09
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Solution
The fourth proportional to 52,395,403.26, 78,224,701.14 and 40,034,676.09 is: 59,770,521.41
Step by Step Solution
- Step 1: Write the proportion equation
52,395,403.26 : 78,224,701.14 = 40,034,676.09 : x - Step 2: Convert to fraction form
52,395,403.26/78,224,701.14 = 40,034,676.09/x - Step 3: Cross multiply
52,395,403.26x = 78,224,701.14 × 40,034,676.09 - Step 4: Simplify right side
52,395,403.26x = 3,131,700,572,376,954 - Step 5: Solve for x
x = 3,131,700,572,376,954/52,395,403.26 - Step 6: Final answer
x = 59,770,521.41
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.