Finding the Fourth Proportional to 193,544,201.80, 290,316,302.70 and 86,048,777.80
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Solution
The fourth proportional to 193,544,201.80, 290,316,302.70 and 86,048,777.80 is: 129,073,166.70
Step by Step Solution
- Step 1: Write the proportion equation
193,544,201.80 : 290,316,302.70 = 86,048,777.80 : x - Step 2: Convert to fraction form
193,544,201.80/290,316,302.70 = 86,048,777.80/x - Step 3: Cross multiply
193,544,201.80x = 290,316,302.70 × 86,048,777.80 - Step 4: Simplify right side
193,544,201.80x = 24,981,363,022,749,840 - Step 5: Solve for x
x = 24,981,363,022,749,840/193,544,201.80 - Step 6: Final answer
x = 129,073,166.70
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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.