Finding the Fourth Proportional to 90,615,550.40, 135,917,104.80 and 29,203,812.80
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Solution
The fourth proportional to 90,615,550.40, 135,917,104.80 and 29,203,812.80 is: 43,803,714.34
Step by Step Solution
- Step 1: Write the proportion equation
90,615,550.40 : 135,917,104.80 = 29,203,812.80 : x - Step 2: Convert to fraction form
90,615,550.40/135,917,104.80 = 29,203,812.80/x - Step 3: Cross multiply
90,615,550.40x = 135,917,104.80 × 29,203,812.80 - Step 4: Simplify right side
90,615,550.40x = 3,969,297,684,897,182 - Step 5: Solve for x
x = 3,969,297,684,897,182/90,615,550.40 - Step 6: Final answer
x = 43,803,714.34
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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.