Finding the Fourth Proportional to 67,743,231.24, 93,478,913.76 and 38,368,701.12
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Solution
The fourth proportional to 67,743,231.24, 93,478,913.76 and 38,368,701.12 is: 52,944,987.08
Step by Step Solution
- Step 1: Write the proportion equation
67,743,231.24 : 93,478,913.76 = 38,368,701.12 : x - Step 2: Convert to fraction form
67,743,231.24/93,478,913.76 = 38,368,701.12/x - Step 3: Cross multiply
67,743,231.24x = 93,478,913.76 × 38,368,701.12 - Step 4: Simplify right side
67,743,231.24x = 3,586,664,503,079,695.50 - Step 5: Solve for x
x = 3,586,664,503,079,695.50/67,743,231.24 - Step 6: Final answer
x = 52,944,987.08
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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.