Finding the Fourth Proportional to 62,208,201.80, 93,312,302.70 and 31,919,126.60
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Solution
The fourth proportional to 62,208,201.80, 93,312,302.70 and 31,919,126.60 is: 47,878,689.90
Step by Step Solution
- Step 1: Write the proportion equation
62,208,201.80 : 93,312,302.70 = 31,919,126.60 : x - Step 2: Convert to fraction form
62,208,201.80/93,312,302.70 = 31,919,126.60/x - Step 3: Cross multiply
62,208,201.80x = 93,312,302.70 × 31,919,126.60 - Step 4: Simplify right side
62,208,201.80x = 2,978,447,203,218,822 - Step 5: Solve for x
x = 2,978,447,203,218,822/62,208,201.80 - Step 6: Final answer
x = 47,878,689.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.