Finding the Fourth Proportional to 124,514,169.40, 186,799,247.70 and 73,369,862.20
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Solution
The fourth proportional to 124,514,169.40, 186,799,247.70 and 73,369,862.20 is: 110,071,288.50
Step by Step Solution
- Step 1: Write the proportion equation
124,514,169.40 : 186,799,247.70 = 73,369,862.20 : x - Step 2: Convert to fraction form
124,514,169.40/186,799,247.70 = 73,369,862.20/x - Step 3: Cross multiply
124,514,169.40x = 186,799,247.70 × 73,369,862.20 - Step 4: Simplify right side
124,514,169.40x = 13,705,435,062,812,666 - Step 5: Solve for x
x = 13,705,435,062,812,666/124,514,169.40 - Step 6: Final answer
x = 110,071,288.50
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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.