Finding the Fourth Proportional to 69,862,246.87, 96,407,639.76 and 40,097,794.09
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Solution
The fourth proportional to 69,862,246.87, 96,407,639.76 and 40,097,794.09 is: 55,333,658.18
Step by Step Solution
- Step 1: Write the proportion equation
69,862,246.87 : 96,407,639.76 = 40,097,794.09 : x - Step 2: Convert to fraction form
69,862,246.87/96,407,639.76 = 40,097,794.09/x - Step 3: Cross multiply
69,862,246.87x = 96,407,639.76 × 40,097,794.09 - Step 4: Simplify right side
69,862,246.87x = 3,865,733,687,799,377.50 - Step 5: Solve for x
x = 3,865,733,687,799,377.50/69,862,246.87 - Step 6: Final answer
x = 55,333,658.18
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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.