Finding the Fourth Proportional to 67,021,968.50, 92,497,823.41 and 40,574,899.70
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Solution
The fourth proportional to 67,021,968.50, 92,497,823.41 and 40,574,899.70 is: 55,997,906.23
Step by Step Solution
- Step 1: Write the proportion equation
67,021,968.50 : 92,497,823.41 = 40,574,899.70 : x - Step 2: Convert to fraction form
67,021,968.50/92,497,823.41 = 40,574,899.70/x - Step 3: Cross multiply
67,021,968.50x = 92,497,823.41 × 40,574,899.70 - Step 4: Simplify right side
67,021,968.50x = 3,753,089,907,329,062 - Step 5: Solve for x
x = 3,753,089,907,329,062/67,021,968.50 - Step 6: Final answer
x = 55,997,906.23
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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.