Finding the Fourth Proportional to 69,869,709.81, 96,420,594.81 and 40,518,469.42
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Solution
The fourth proportional to 69,869,709.81, 96,420,594.81 and 40,518,469.42 is: 55,915,717.02
Step by Step Solution
- Step 1: Write the proportion equation
69,869,709.81 : 96,420,594.81 = 40,518,469.42 : x - Step 2: Convert to fraction form
69,869,709.81/96,420,594.81 = 40,518,469.42/x - Step 3: Cross multiply
69,869,709.81x = 96,420,594.81 × 40,518,469.42 - Step 4: Simplify right side
69,869,709.81x = 3,906,814,922,178,088 - Step 5: Solve for x
x = 3,906,814,922,178,088/69,869,709.81 - Step 6: Final answer
x = 55,915,717.02
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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.