Finding the Fourth Proportional to 67,668,478.10, 93,379,999.28 and 36,727,983.08
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Solution
The fourth proportional to 67,668,478.10, 93,379,999.28 and 36,727,983.08 is: 50,683,259.47
Step by Step Solution
- Step 1: Write the proportion equation
67,668,478.10 : 93,379,999.28 = 36,727,983.08 : x - Step 2: Convert to fraction form
67,668,478.10/93,379,999.28 = 36,727,983.08/x - Step 3: Cross multiply
67,668,478.10x = 93,379,999.28 × 36,727,983.08 - Step 4: Simplify right side
67,668,478.10x = 3,429,659,033,616,063 - Step 5: Solve for x
x = 3,429,659,033,616,063/67,668,478.10 - Step 6: Final answer
x = 50,683,259.47
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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.