Finding the Fourth Proportional to 124,710,934.83, 172,097,529.39 and 68,955,392.79
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Solution
The fourth proportional to 124,710,934.83, 172,097,529.39 and 68,955,392.79 is: 95,156,473.28
Step by Step Solution
- Step 1: Write the proportion equation
124,710,934.83 : 172,097,529.39 = 68,955,392.79 : x - Step 2: Convert to fraction form
124,710,934.83/172,097,529.39 = 68,955,392.79/x - Step 3: Cross multiply
124,710,934.83x = 172,097,529.39 × 68,955,392.79 - Step 4: Simplify right side
124,710,934.83x = 11,867,052,737,276,020 - Step 5: Solve for x
x = 11,867,052,737,276,020/124,710,934.83 - Step 6: Final answer
x = 95,156,473.28
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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.