Finding the Fourth Proportional to 49,207,706.96, 67,316,491.70 and 49,000,447.40
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Solution
The fourth proportional to 49,207,706.96, 67,316,491.70 and 49,000,447.40 is: 67,032,959.15
Step by Step Solution
- Step 1: Write the proportion equation
49,207,706.96 : 67,316,491.70 = 49,000,447.40 : x - Step 2: Convert to fraction form
49,207,706.96/67,316,491.70 = 49,000,447.40/x - Step 3: Cross multiply
49,207,706.96x = 67,316,491.70 × 49,000,447.40 - Step 4: Simplify right side
49,207,706.96x = 3,298,538,210,300,554 - Step 5: Solve for x
x = 3,298,538,210,300,554/49,207,706.96 - Step 6: Final answer
x = 67,032,959.15
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.