Finding the Fourth Proportional to 67,709,974.26, 93,468,370.84 and 45,713,270.82
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Solution
The fourth proportional to 67,709,974.26, 93,468,370.84 and 45,713,270.82 is: 63,103,626.84
Step by Step Solution
- Step 1: Write the proportion equation
67,709,974.26 : 93,468,370.84 = 45,713,270.82 : x - Step 2: Convert to fraction form
67,709,974.26/93,468,370.84 = 45,713,270.82/x - Step 3: Cross multiply
67,709,974.26x = 93,468,370.84 × 45,713,270.82 - Step 4: Simplify right side
67,709,974.26x = 4,272,744,949,313,111 - Step 5: Solve for x
x = 4,272,744,949,313,111/67,709,974.26 - Step 6: Final answer
x = 63,103,626.84
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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.