Finding the Fourth Proportional to 71,280,322.26, 98,366,885.67 and 38,685,274.26
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Solution
The fourth proportional to 71,280,322.26, 98,366,885.67 and 38,685,274.26 is: 53,385,700.70
Step by Step Solution
- Step 1: Write the proportion equation
71,280,322.26 : 98,366,885.67 = 38,685,274.26 : x - Step 2: Convert to fraction form
71,280,322.26/98,366,885.67 = 38,685,274.26/x - Step 3: Cross multiply
71,280,322.26x = 98,366,885.67 × 38,685,274.26 - Step 4: Simplify right side
71,280,322.26x = 3,805,349,950,246,013.50 - Step 5: Solve for x
x = 3,805,349,950,246,013.50/71,280,322.26 - Step 6: Final answer
x = 53,385,700.70
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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.