Finding the Fourth Proportional to 239,337,821.93, 358,270,406.64 and 156,160,473.21
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Solution
The fourth proportional to 239,337,821.93, 358,270,406.64 and 156,160,473.21 is: 233,760,279.88
Step by Step Solution
- Step 1: Write the proportion equation
239,337,821.93 : 358,270,406.64 = 156,160,473.21 : x - Step 2: Convert to fraction form
239,337,821.93/358,270,406.64 = 156,160,473.21/x - Step 3: Cross multiply
239,337,821.93x = 358,270,406.64 × 156,160,473.21 - Step 4: Simplify right side
239,337,821.93x = 55,947,676,238,041,528 - Step 5: Solve for x
x = 55,947,676,238,041,528/239,337,821.93 - Step 6: Final answer
x = 233,760,279.88
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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.