Finding the Fourth Proportional to 253,714,572.21, 350,135,733.90 and 142,207,473.97
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Solution
The fourth proportional to 253,714,572.21, 350,135,733.90 and 142,207,473.97 is: 196,251,708.48
Step by Step Solution
- Step 1: Write the proportion equation
253,714,572.21 : 350,135,733.90 = 142,207,473.97 : x - Step 2: Convert to fraction form
253,714,572.21/350,135,733.90 = 142,207,473.97/x - Step 3: Cross multiply
253,714,572.21x = 350,135,733.90 × 142,207,473.97 - Step 4: Simplify right side
253,714,572.21x = 49,791,918,262,089,376 - Step 5: Solve for x
x = 49,791,918,262,089,376/253,714,572.21 - Step 6: Final answer
x = 196,251,708.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.