Finding the Fourth Proportional to 124,088,081.80, 186,132,122.70 and 104,956,205.80
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Solution
The fourth proportional to 124,088,081.80, 186,132,122.70 and 104,956,205.80 is: 157,434,308.70
Step by Step Solution
- Step 1: Write the proportion equation
124,088,081.80 : 186,132,122.70 = 104,956,205.80 : x - Step 2: Convert to fraction form
124,088,081.80/186,132,122.70 = 104,956,205.80/x - Step 3: Cross multiply
124,088,081.80x = 186,132,122.70 × 104,956,205.80 - Step 4: Simplify right side
124,088,081.80x = 19,535,721,376,092,048 - Step 5: Solve for x
x = 19,535,721,376,092,048/124,088,081.80 - Step 6: Final answer
x = 157,434,308.70
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1.5x scale
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.