Finding the Fourth Proportional to 52,261,450.47, 72,124,841.49 and 31,354,269.93
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Solution
The fourth proportional to 52,261,450.47, 72,124,841.49 and 31,354,269.93 is: 43,271,316.21
Step by Step Solution
- Step 1: Write the proportion equation
52,261,450.47 : 72,124,841.49 = 31,354,269.93 : x - Step 2: Convert to fraction form
52,261,450.47/72,124,841.49 = 31,354,269.93/x - Step 3: Cross multiply
52,261,450.47x = 72,124,841.49 × 31,354,269.93 - Step 4: Simplify right side
52,261,450.47x = 2,261,421,748,735,923 - Step 5: Solve for x
x = 2,261,421,748,735,923/52,261,450.47 - Step 6: Final answer
x = 43,271,316.21
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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.