Finding the Fourth Proportional to 64,768,129.80, 97,152,194.70 and 16,899,073.80
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Solution
The fourth proportional to 64,768,129.80, 97,152,194.70 and 16,899,073.80 is: 25,348,610.70
Step by Step Solution
- Step 1: Write the proportion equation
64,768,129.80 : 97,152,194.70 = 16,899,073.80 : x - Step 2: Convert to fraction form
64,768,129.80/97,152,194.70 = 16,899,073.80/x - Step 3: Cross multiply
64,768,129.80x = 97,152,194.70 × 16,899,073.80 - Step 4: Simplify right side
64,768,129.80x = 1,641,782,108,067,269 - Step 5: Solve for x
x = 1,641,782,108,067,269/64,768,129.80 - Step 6: Final answer
x = 25,348,610.70
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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.