Finding the Fourth Proportional to 98,836,800.48, 136,394,548.38 and 54,182,694.15
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Solution
The fourth proportional to 98,836,800.48, 136,394,548.38 and 54,182,694.15 is: 74,771,988.40
Step by Step Solution
- Step 1: Write the proportion equation
98,836,800.48 : 136,394,548.38 = 54,182,694.15 : x - Step 2: Convert to fraction form
98,836,800.48/136,394,548.38 = 54,182,694.15/x - Step 3: Cross multiply
98,836,800.48x = 136,394,548.38 × 54,182,694.15 - Step 4: Simplify right side
98,836,800.48x = 7,390,224,098,600,918 - Step 5: Solve for x
x = 7,390,224,098,600,918/98,836,800.48 - Step 6: Final answer
x = 74,771,988.40
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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.