Finding the Fourth Proportional to 126,199,728, 174,155,624.64 and 68,252,976
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Solution
The fourth proportional to 126,199,728, 174,155,624.64 and 68,252,976 is: 94,189,106.88
Step by Step Solution
- Step 1: Write the proportion equation
126,199,728 : 174,155,624.64 = 68,252,976 : x - Step 2: Convert to fraction form
126,199,728/174,155,624.64 = 68,252,976/x - Step 3: Cross multiply
126,199,728x = 174,155,624.64 × 68,252,976 - Step 4: Simplify right side
126,199,728x = 11,886,639,668,818,928 - Step 5: Solve for x
x = 11,886,639,668,818,928/126,199,728 - Step 6: Final answer
x = 94,189,106.88
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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.