Finding the Fourth Proportional to 117,534,584.80, 176,301,877.20 and 98,722,885.60
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Solution
The fourth proportional to 117,534,584.80, 176,301,877.20 and 98,722,885.60 is: 148,084,328.40
Step by Step Solution
- Step 1: Write the proportion equation
117,534,584.80 : 176,301,877.20 = 98,722,885.60 : x - Step 2: Convert to fraction form
117,534,584.80/176,301,877.20 = 98,722,885.60/x - Step 3: Cross multiply
117,534,584.80x = 176,301,877.20 × 98,722,885.60 - Step 4: Simplify right side
117,534,584.80x = 17,405,030,053,880,846 - Step 5: Solve for x
x = 17,405,030,053,880,846/117,534,584.80 - Step 6: Final answer
x = 148,084,328.40
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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.