Finding the Fourth Proportional to 65,079,901.80, 97,619,852.70 and 16,557,661.80
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Solution
The fourth proportional to 65,079,901.80, 97,619,852.70 and 16,557,661.80 is: 24,836,492.70
Step by Step Solution
- Step 1: Write the proportion equation
65,079,901.80 : 97,619,852.70 = 16,557,661.80 : x - Step 2: Convert to fraction form
65,079,901.80/97,619,852.70 = 16,557,661.80/x - Step 3: Cross multiply
65,079,901.80x = 97,619,852.70 × 16,557,661.80 - Step 4: Simplify right side
65,079,901.80x = 1,616,356,505,972,417 - Step 5: Solve for x
x = 1,616,356,505,972,417/65,079,901.80 - Step 6: Final answer
x = 24,836,492.70
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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.