Finding the Fourth Proportional to 125,473,864.53, 173,146,342.41 and 69,717,378.45
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Solution
The fourth proportional to 125,473,864.53, 173,146,342.41 and 69,717,378.45 is: 96,205,764.65
Step by Step Solution
- Step 1: Write the proportion equation
125,473,864.53 : 173,146,342.41 = 69,717,378.45 : x - Step 2: Convert to fraction form
125,473,864.53/173,146,342.41 = 69,717,378.45/x - Step 3: Cross multiply
125,473,864.53x = 173,146,342.41 × 69,717,378.45 - Step 4: Simplify right side
125,473,864.53x = 12,071,309,081,031,256 - Step 5: Solve for x
x = 12,071,309,081,031,256/125,473,864.53 - Step 6: Final answer
x = 96,205,764.65
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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.