Finding the Fourth Proportional to 67,311,971.24, 92,897,901.48 and 39,060,567.68
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Solution
The fourth proportional to 67,311,971.24, 92,897,901.48 and 39,060,567.68 is: 53,907,866.63
Step by Step Solution
- Step 1: Write the proportion equation
67,311,971.24 : 92,897,901.48 = 39,060,567.68 : x - Step 2: Convert to fraction form
67,311,971.24/92,897,901.48 = 39,060,567.68/x - Step 3: Cross multiply
67,311,971.24x = 92,897,901.48 × 39,060,567.68 - Step 4: Simplify right side
67,311,971.24x = 3,628,644,768,089,512.50 - Step 5: Solve for x
x = 3,628,644,768,089,512.50/67,311,971.24 - Step 6: Final answer
x = 53,907,866.63
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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.