Finding the Fourth Proportional to 66,804,810.20, 100,207,215.30 and 60,347,802.05
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Solution
The fourth proportional to 66,804,810.20, 100,207,215.30 and 60,347,802.05 is: 90,521,703.08
Step by Step Solution
- Step 1: Write the proportion equation
66,804,810.20 : 100,207,215.30 = 60,347,802.05 : x - Step 2: Convert to fraction form
66,804,810.20/100,207,215.30 = 60,347,802.05/x - Step 3: Cross multiply
66,804,810.20x = 100,207,215.30 × 60,347,802.05 - Step 4: Simplify right side
66,804,810.20x = 6,047,285,192,906,131 - Step 5: Solve for x
x = 6,047,285,192,906,131/66,804,810.20 - Step 6: Final answer
x = 90,521,703.08
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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.