Finding the Fourth Proportional to 55,164,339.02, 76,126,784.24 and 31,972,918.08
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Solution
The fourth proportional to 55,164,339.02, 76,126,784.24 and 31,972,918.08 is: 44,122,624.86
Step by Step Solution
- Step 1: Write the proportion equation
55,164,339.02 : 76,126,784.24 = 31,972,918.08 : x - Step 2: Convert to fraction form
55,164,339.02/76,126,784.24 = 31,972,918.08/x - Step 3: Cross multiply
55,164,339.02x = 76,126,784.24 × 31,972,918.08 - Step 4: Simplify right side
55,164,339.02x = 2,433,995,436,564,763 - Step 5: Solve for x
x = 2,433,995,436,564,763/55,164,339.02 - Step 6: Final answer
x = 44,122,624.86
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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.