Finding the Fourth Proportional to 307,207,550.81, 460,811,769.73 and 125,454,728.81
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Solution
The fourth proportional to 307,207,550.81, 460,811,769.73 and 125,454,728.81 is: 188,182,274.33
Step by Step Solution
- Step 1: Write the proportion equation
307,207,550.81 : 460,811,769.73 = 125,454,728.81 : x - Step 2: Convert to fraction form
307,207,550.81/460,811,769.73 = 125,454,728.81/x - Step 3: Cross multiply
307,207,550.81x = 460,811,769.73 × 125,454,728.81 - Step 4: Simplify right side
307,207,550.81x = 57,811,015,604,771,712 - Step 5: Solve for x
x = 57,811,015,604,771,712/307,207,550.81 - Step 6: Final answer
x = 188,182,274.33
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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.