Finding the Fourth Proportional to 118,373,558.40, 177,560,337.60 and 97,115,918.40
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Solution
The fourth proportional to 118,373,558.40, 177,560,337.60 and 97,115,918.40 is: 145,673,877.60
Step by Step Solution
- Step 1: Write the proportion equation
118,373,558.40 : 177,560,337.60 = 97,115,918.40 : x - Step 2: Convert to fraction form
118,373,558.40/177,560,337.60 = 97,115,918.40/x - Step 3: Cross multiply
118,373,558.40x = 177,560,337.60 × 97,115,918.40 - Step 4: Simplify right side
118,373,558.40x = 17,243,935,257,438,052 - Step 5: Solve for x
x = 17,243,935,257,438,052/118,373,558.40 - Step 6: Final answer
x = 145,673,877.60
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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.