Finding the Fourth Proportional to 125,578,990.46, 173,260,058.11 and 73,330,335.74
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Solution
The fourth proportional to 125,578,990.46, 173,260,058.11 and 73,330,335.74 is: 101,173,119.68
Step by Step Solution
- Step 1: Write the proportion equation
125,578,990.46 : 173,260,058.11 = 73,330,335.74 : x - Step 2: Convert to fraction form
125,578,990.46/173,260,058.11 = 73,330,335.74/x - Step 3: Cross multiply
125,578,990.46x = 173,260,058.11 × 73,330,335.74 - Step 4: Simplify right side
125,578,990.46x = 12,705,218,230,488,582 - Step 5: Solve for x
x = 12,705,218,230,488,582/125,578,990.46 - Step 6: Final answer
x = 101,173,119.68
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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.