Finding the Fourth Proportional to 124,992,898.01, 172,550,011.96 and 83,246,435.99
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Solution
The fourth proportional to 124,992,898.01, 172,550,011.96 and 83,246,435.99 is: 114,919,917.49
Step by Step Solution
- Step 1: Write the proportion equation
124,992,898.01 : 172,550,011.96 = 83,246,435.99 : x - Step 2: Convert to fraction form
124,992,898.01/172,550,011.96 = 83,246,435.99/x - Step 3: Cross multiply
124,992,898.01x = 172,550,011.96 × 83,246,435.99 - Step 4: Simplify right side
124,992,898.01x = 14,364,173,526,560,840 - Step 5: Solve for x
x = 14,364,173,526,560,840/124,992,898.01 - Step 6: Final answer
x = 114,919,917.49
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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.