Finding the Fourth Proportional to 90,164,266.90, 135,252,010.68 and 32,657,036.28
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Solution
The fourth proportional to 90,164,266.90, 135,252,010.68 and 32,657,036.28 is: 48,987,586.45
Step by Step Solution
- Step 1: Write the proportion equation
90,164,266.90 : 135,252,010.68 = 32,657,036.28 : x - Step 2: Convert to fraction form
90,164,266.90/135,252,010.68 = 32,657,036.28/x - Step 3: Cross multiply
90,164,266.90x = 135,252,010.68 × 32,657,036.28 - Step 4: Simplify right side
90,164,266.90x = 4,416,929,819,719,708 - Step 5: Solve for x
x = 4,416,929,819,719,708/90,164,266.90 - Step 6: Final answer
x = 48,987,586.45
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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.