Finding the Fourth Proportional to 88,125,804.18, 121,616,347.22 and 48,432,614.67
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Solution
The fourth proportional to 88,125,804.18, 121,616,347.22 and 48,432,614.67 is: 66,838,512.71
Step by Step Solution
- Step 1: Write the proportion equation
88,125,804.18 : 121,616,347.22 = 48,432,614.67 : x - Step 2: Convert to fraction form
88,125,804.18/121,616,347.22 = 48,432,614.67/x - Step 3: Cross multiply
88,125,804.18x = 121,616,347.22 × 48,432,614.67 - Step 4: Simplify right side
88,125,804.18x = 5,890,197,682,418,645 - Step 5: Solve for x
x = 5,890,197,682,418,645/88,125,804.18 - Step 6: Final answer
x = 66,838,512.71
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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.