Finding the Fourth Proportional to 93,512,087.20, 129,035,502.48 and 51,690,502.72
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Solution
The fourth proportional to 93,512,087.20, 129,035,502.48 and 51,690,502.72 is: 71,326,714.99
Step by Step Solution
- Step 1: Write the proportion equation
93,512,087.20 : 129,035,502.48 = 51,690,502.72 : x - Step 2: Convert to fraction form
93,512,087.20/129,035,502.48 = 51,690,502.72/x - Step 3: Cross multiply
93,512,087.20x = 129,035,502.48 × 51,690,502.72 - Step 4: Simplify right side
93,512,087.20x = 6,669,909,991,919,007 - Step 5: Solve for x
x = 6,669,909,991,919,007/93,512,087.20 - Step 6: Final answer
x = 71,326,714.99
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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.