Finding the Fourth Proportional to 124,660,238.14, 186,981,488.70 and 38,389,649.14
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Solution
The fourth proportional to 124,660,238.14, 186,981,488.70 and 38,389,649.14 is: 57,581,742.61
Step by Step Solution
- Step 1: Write the proportion equation
124,660,238.14 : 186,981,488.70 = 38,389,649.14 : x - Step 2: Convert to fraction form
124,660,238.14/186,981,488.70 = 38,389,649.14/x - Step 3: Cross multiply
124,660,238.14x = 186,981,488.70 × 38,389,649.14 - Step 4: Simplify right side
124,660,238.14x = 7,178,153,746,867,874 - Step 5: Solve for x
x = 7,178,153,746,867,874/124,660,238.14 - Step 6: Final answer
x = 57,581,742.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.