Finding the Fourth Proportional to 67,807,691.28, 93,573,511.56 and 36,868,639.68
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Solution
The fourth proportional to 67,807,691.28, 93,573,511.56 and 36,868,639.68 is: 50,878,123.35
Step by Step Solution
- Step 1: Write the proportion equation
67,807,691.28 : 93,573,511.56 = 36,868,639.68 : x - Step 2: Convert to fraction form
67,807,691.28/93,573,511.56 = 36,868,639.68/x - Step 3: Cross multiply
67,807,691.28x = 93,573,511.56 × 36,868,639.68 - Step 4: Simplify right side
67,807,691.28x = 3,449,928,081,297,955 - Step 5: Solve for x
x = 3,449,928,081,297,955/67,807,691.28 - Step 6: Final answer
x = 50,878,123.35
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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.