Finding the Fourth Proportional to 159,124,357.71, 238,686,602.85 and 71,583,624.18
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Solution
The fourth proportional to 159,124,357.71, 238,686,602.85 and 71,583,624.18 is: 107,375,466.09
Step by Step Solution
- Step 1: Write the proportion equation
159,124,357.71 : 238,686,602.85 = 71,583,624.18 : x - Step 2: Convert to fraction form
159,124,357.71/238,686,602.85 = 71,583,624.18/x - Step 3: Cross multiply
159,124,357.71x = 238,686,602.85 × 71,583,624.18 - Step 4: Simplify right side
159,124,357.71x = 17,086,052,075,215,318 - Step 5: Solve for x
x = 17,086,052,075,215,318/159,124,357.71 - Step 6: Final answer
x = 107,375,466.09
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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.