Finding the Fourth Proportional to 67,932,972.44, 93,746,568.84 and 38,564,048.60
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Solution
The fourth proportional to 67,932,972.44, 93,746,568.84 and 38,564,048.60 is: 53,217,857.35
Step by Step Solution
- Step 1: Write the proportion equation
67,932,972.44 : 93,746,568.84 = 38,564,048.60 : x - Step 2: Convert to fraction form
67,932,972.44/93,746,568.84 = 38,564,048.60/x - Step 3: Cross multiply
67,932,972.44x = 93,746,568.84 × 38,564,048.60 - Step 4: Simplify right side
67,932,972.44x = 3,615,247,236,829,006 - Step 5: Solve for x
x = 3,615,247,236,829,006/67,932,972.44 - Step 6: Final answer
x = 53,217,857.35
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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.