Finding the Fourth Proportional to 170,682,061.84, 255,919,415.52 and 66,926,966.80
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Solution
The fourth proportional to 170,682,061.84, 255,919,415.52 and 66,926,966.80 is: 100,349,796.82
Step by Step Solution
- Step 1: Write the proportion equation
170,682,061.84 : 255,919,415.52 = 66,926,966.80 : x - Step 2: Convert to fraction form
170,682,061.84/255,919,415.52 = 66,926,966.80/x - Step 3: Cross multiply
170,682,061.84x = 255,919,415.52 × 66,926,966.80 - Step 4: Simplify right side
170,682,061.84x = 17,127,910,225,982,444 - Step 5: Solve for x
x = 17,127,910,225,982,444/170,682,061.84 - Step 6: Final answer
x = 100,349,796.82
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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.