Finding the Fourth Proportional to 84,579,942.80, 126,869,914.20 and 63,056,582.30
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Solution
The fourth proportional to 84,579,942.80, 126,869,914.20 and 63,056,582.30 is: 94,584,873.45
Step by Step Solution
- Step 1: Write the proportion equation
84,579,942.80 : 126,869,914.20 = 63,056,582.30 : x - Step 2: Convert to fraction form
84,579,942.80/126,869,914.20 = 63,056,582.30/x - Step 3: Cross multiply
84,579,942.80x = 126,869,914.20 × 63,056,582.30 - Step 4: Simplify right side
84,579,942.80x = 7,999,983,186,146,238 - Step 5: Solve for x
x = 7,999,983,186,146,238/84,579,942.80 - Step 6: Final answer
x = 94,584,873.45
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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.