Finding the Fourth Proportional to 124,919,724.99, 172,394,607.57 and 69,165,146.46
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Solution
The fourth proportional to 124,919,724.99, 172,394,607.57 and 69,165,146.46 is: 95,450,884.82
Step by Step Solution
- Step 1: Write the proportion equation
124,919,724.99 : 172,394,607.57 = 69,165,146.46 : x - Step 2: Convert to fraction form
124,919,724.99/172,394,607.57 = 69,165,146.46/x - Step 3: Cross multiply
124,919,724.99x = 172,394,607.57 × 69,165,146.46 - Step 4: Simplify right side
124,919,724.99x = 11,923,698,281,493,274 - Step 5: Solve for x
x = 11,923,698,281,493,274/124,919,724.99 - Step 6: Final answer
x = 95,450,884.82
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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.