Finding the Fourth Proportional to 135,659,534.19, 203,490,531.42 and 38,615,203.63
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Solution
The fourth proportional to 135,659,534.19, 203,490,531.42 and 38,615,203.63 is: 57,923,155.60
Step by Step Solution
- Step 1: Write the proportion equation
135,659,534.19 : 203,490,531.42 = 38,615,203.63 : x - Step 2: Convert to fraction form
135,659,534.19/203,490,531.42 = 38,615,203.63/x - Step 3: Cross multiply
135,659,534.19x = 203,490,531.42 × 38,615,203.63 - Step 4: Simplify right side
135,659,534.19x = 7,857,828,307,560,213 - Step 5: Solve for x
x = 7,857,828,307,560,213/135,659,534.19 - Step 6: Final answer
x = 57,923,155.60
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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.