Finding the Fourth Proportional to 69,791,880.91, 96,313,508.39 and 38,432,846.02
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Solution
The fourth proportional to 69,791,880.91, 96,313,508.39 and 38,432,846.02 is: 53,037,719.99
Step by Step Solution
- Step 1: Write the proportion equation
69,791,880.91 : 96,313,508.39 = 38,432,846.02 : x - Step 2: Convert to fraction form
69,791,880.91/96,313,508.39 = 38,432,846.02/x - Step 3: Cross multiply
69,791,880.91x = 96,313,508.39 × 38,432,846.02 - Step 4: Simplify right side
69,791,880.91x = 3,701,602,237,598,848.50 - Step 5: Solve for x
x = 3,701,602,237,598,848.50/69,791,880.91 - Step 6: Final answer
x = 53,037,719.99
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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.