Finding the Fourth Proportional to 51,316,211.50, 70,815,807.71 and 27,794,163.09
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Solution
The fourth proportional to 51,316,211.50, 70,815,807.71 and 27,794,163.09 is: 38,355,639.50
Step by Step Solution
- Step 1: Write the proportion equation
51,316,211.50 : 70,815,807.71 = 27,794,163.09 : x - Step 2: Convert to fraction form
51,316,211.50/70,815,807.71 = 27,794,163.09/x - Step 3: Cross multiply
51,316,211.50x = 70,815,807.71 × 27,794,163.09 - Step 4: Simplify right side
51,316,211.50x = 1,968,266,108,841,819.25 - Step 5: Solve for x
x = 1,968,266,108,841,819.25/51,316,211.50 - Step 6: Final answer
x = 38,355,639.50
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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.