Finding the Fourth Proportional to 179,021,307.84, 268,571,291.04 and 106,304,510.40
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Solution
The fourth proportional to 179,021,307.84, 268,571,291.04 and 106,304,510.40 is: 159,480,119.69
Step by Step Solution
- Step 1: Write the proportion equation
179,021,307.84 : 268,571,291.04 = 106,304,510.40 : x - Step 2: Convert to fraction form
179,021,307.84/268,571,291.04 = 106,304,510.40/x - Step 3: Cross multiply
179,021,307.84x = 268,571,291.04 × 106,304,510.40 - Step 4: Simplify right side
179,021,307.84x = 28,550,339,601,503,112 - Step 5: Solve for x
x = 28,550,339,601,503,112/179,021,307.84 - Step 6: Final answer
x = 159,480,119.69
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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.