Finding the Fourth Proportional to 91,442,244.58, 126,190,363.32 and 49,626,298.79
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Solution
The fourth proportional to 91,442,244.58, 126,190,363.32 and 49,626,298.79 is: 68,484,328.04
Step by Step Solution
- Step 1: Write the proportion equation
91,442,244.58 : 126,190,363.32 = 49,626,298.79 : x - Step 2: Convert to fraction form
91,442,244.58/126,190,363.32 = 49,626,298.79/x - Step 3: Cross multiply
91,442,244.58x = 126,190,363.32 × 49,626,298.79 - Step 4: Simplify right side
91,442,244.58x = 6,262,360,674,379,238 - Step 5: Solve for x
x = 6,262,360,674,379,238/91,442,244.58 - Step 6: Final answer
x = 68,484,328.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.