Finding the Fourth Proportional to 268,671,489.75, 402,992,075.88 and 119,062,864.48
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Solution
The fourth proportional to 268,671,489.75, 402,992,075.88 and 119,062,864.48 is: 178,587,579.06
Step by Step Solution
- Step 1: Write the proportion equation
268,671,489.75 : 402,992,075.88 = 119,062,864.48 : x - Step 2: Convert to fraction form
268,671,489.75/402,992,075.88 = 119,062,864.48/x - Step 3: Cross multiply
268,671,489.75x = 402,992,075.88 × 119,062,864.48 - Step 4: Simplify right side
268,671,489.75x = 47,981,390,917,014,320 - Step 5: Solve for x
x = 47,981,390,917,014,320/268,671,489.75 - Step 6: Final answer
x = 178,587,579.06
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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.