Finding the Fourth Proportional to 124,180,864.96, 171,361,872.18 and 68,423,165.11
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Solution
The fourth proportional to 124,180,864.96, 171,361,872.18 and 68,423,165.11 is: 94,419,713.35
Step by Step Solution
- Step 1: Write the proportion equation
124,180,864.96 : 171,361,872.18 = 68,423,165.11 : x - Step 2: Convert to fraction form
124,180,864.96/171,361,872.18 = 68,423,165.11/x - Step 3: Cross multiply
124,180,864.96x = 171,361,872.18 × 68,423,165.11 - Step 4: Simplify right side
124,180,864.96x = 11,725,121,673,388,740 - Step 5: Solve for x
x = 11,725,121,673,388,740/124,180,864.96 - Step 6: Final answer
x = 94,419,713.35
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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.