Finding the Fourth Proportional to 123,542,880.81, 185,267,125.14 and 41,639,752.68
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Solution
The fourth proportional to 123,542,880.81, 185,267,125.14 and 41,639,752.68 is: 62,443,721.73
Step by Step Solution
- Step 1: Write the proportion equation
123,542,880.81 : 185,267,125.14 = 41,639,752.68 : x - Step 2: Convert to fraction form
123,542,880.81/185,267,125.14 = 41,639,752.68/x - Step 3: Cross multiply
123,542,880.81x = 185,267,125.14 × 41,639,752.68 - Step 4: Simplify right side
123,542,880.81x = 7,714,477,270,564,210 - Step 5: Solve for x
x = 7,714,477,270,564,210/123,542,880.81 - Step 6: Final answer
x = 62,443,721.73
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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.