Finding the Fourth Proportional to 144,990,972.20, 199,582,194.61 and 126,373,762.91
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Solution
The fourth proportional to 144,990,972.20, 199,582,194.61 and 126,373,762.91 is: 173,955,333.63
Step by Step Solution
- Step 1: Write the proportion equation
144,990,972.20 : 199,582,194.61 = 126,373,762.91 : x - Step 2: Convert to fraction form
144,990,972.20/199,582,194.61 = 126,373,762.91/x - Step 3: Cross multiply
144,990,972.20x = 199,582,194.61 × 126,373,762.91 - Step 4: Simplify right side
144,990,972.20x = 25,221,952,943,358,544 - Step 5: Solve for x
x = 25,221,952,943,358,544/144,990,972.20 - Step 6: Final answer
x = 173,955,333.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.