Finding the Fourth Proportional to 53,901,997.90, 80,863,494.45 and 15,564,762.70
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Solution
The fourth proportional to 53,901,997.90, 80,863,494.45 and 15,564,762.70 is: 23,350,175.34
Step by Step Solution
- Step 1: Write the proportion equation
53,901,997.90 : 80,863,494.45 = 15,564,762.70 : x - Step 2: Convert to fraction form
53,901,997.90/80,863,494.45 = 15,564,762.70/x - Step 3: Cross multiply
53,901,997.90x = 80,863,494.45 × 15,564,762.70 - Step 4: Simplify right side
53,901,997.90x = 1,258,621,102,207,017 - Step 5: Solve for x
x = 1,258,621,102,207,017/53,901,997.90 - Step 6: Final answer
x = 23,350,175.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.