Finding the Fourth Proportional to 118,506,394.13, 177,598,190.59 and 66,715,697.21
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Solution
The fourth proportional to 118,506,394.13, 177,598,190.59 and 66,715,697.21 is: 99,982,681.90
Step by Step Solution
- Step 1: Write the proportion equation
118,506,394.13 : 177,598,190.59 = 66,715,697.21 : x - Step 2: Convert to fraction form
118,506,394.13/177,598,190.59 = 66,715,697.21/x - Step 3: Cross multiply
118,506,394.13x = 177,598,190.59 × 66,715,697.21 - Step 4: Simplify right side
118,506,394.13x = 11,848,587,107,391,532 - Step 5: Solve for x
x = 11,848,587,107,391,532/118,506,394.13 - Step 6: Final answer
x = 99,982,681.90
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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.