Finding the Fourth Proportional to 72,514,828.20, 108,772,242.30 and 24,645,772.20
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Solution
The fourth proportional to 72,514,828.20, 108,772,242.30 and 24,645,772.20 is: 36,968,658.30
Step by Step Solution
- Step 1: Write the proportion equation
72,514,828.20 : 108,772,242.30 = 24,645,772.20 : x - Step 2: Convert to fraction form
72,514,828.20/108,772,242.30 = 24,645,772.20/x - Step 3: Cross multiply
72,514,828.20x = 108,772,242.30 × 24,645,772.20 - Step 4: Simplify right side
72,514,828.20x = 2,680,775,905,409,004 - Step 5: Solve for x
x = 2,680,775,905,409,004/72,514,828.20 - Step 6: Final answer
x = 36,968,658.30
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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.