Finding the Fourth Proportional to 201,584,967.15, 302,433,437.93 and 86,624,583.15
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Solution
The fourth proportional to 201,584,967.15, 302,433,437.93 and 86,624,583.15 is: 129,960,933.40
Step by Step Solution
- Step 1: Write the proportion equation
201,584,967.15 : 302,433,437.93 = 86,624,583.15 : x - Step 2: Convert to fraction form
201,584,967.15/302,433,437.93 = 86,624,583.15/x - Step 3: Cross multiply
201,584,967.15x = 302,433,437.93 × 86,624,583.15 - Step 4: Simplify right side
201,584,967.15x = 26,198,170,490,874,528 - Step 5: Solve for x
x = 26,198,170,490,874,528/201,584,967.15 - Step 6: Final answer
x = 129,960,933.40
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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.