Finding the Fourth Proportional to 132,991,449.21, 183,526,461.63 and 74,255,114.07
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Solution
The fourth proportional to 132,991,449.21, 183,526,461.63 and 74,255,114.07 is: 102,471,086.86
Step by Step Solution
- Step 1: Write the proportion equation
132,991,449.21 : 183,526,461.63 = 74,255,114.07 : x - Step 2: Convert to fraction form
132,991,449.21/183,526,461.63 = 74,255,114.07/x - Step 3: Cross multiply
132,991,449.21x = 183,526,461.63 × 74,255,114.07 - Step 4: Simplify right side
132,991,449.21x = 13,627,778,343,199,126 - Step 5: Solve for x
x = 13,627,778,343,199,126/132,991,449.21 - Step 6: Final answer
x = 102,471,086.86
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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.