Finding the Fourth Proportional to 268,620,544.80, 402,930,817.20 and 96,102,986.40
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Solution
The fourth proportional to 268,620,544.80, 402,930,817.20 and 96,102,986.40 is: 144,154,479.60
Step by Step Solution
- Step 1: Write the proportion equation
268,620,544.80 : 402,930,817.20 = 96,102,986.40 : x - Step 2: Convert to fraction form
268,620,544.80/402,930,817.20 = 96,102,986.40/x - Step 3: Cross multiply
268,620,544.80x = 402,930,817.20 × 96,102,986.40 - Step 4: Simplify right side
268,620,544.80x = 38,722,854,845,512,488 - Step 5: Solve for x
x = 38,722,854,845,512,488/268,620,544.80 - Step 6: Final answer
x = 144,154,479.60
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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.