Finding the Fourth Proportional to 96,528,997.80, 144,793,496.70 and 51,179,365.80
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Solution
The fourth proportional to 96,528,997.80, 144,793,496.70 and 51,179,365.80 is: 76,769,048.70
Step by Step Solution
- Step 1: Write the proportion equation
96,528,997.80 : 144,793,496.70 = 51,179,365.80 : x - Step 2: Convert to fraction form
96,528,997.80/144,793,496.70 = 51,179,365.80/x - Step 3: Cross multiply
96,528,997.80x = 144,793,496.70 × 51,179,365.80 - Step 4: Simplify right side
96,528,997.80x = 7,410,439,333,070,392 - Step 5: Solve for x
x = 7,410,439,333,070,392/96,528,997.80 - Step 6: Final answer
x = 76,769,048.70
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1.5x scale
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.