Finding the Fourth Proportional to 69,976,751.92, 96,587,127.13 and 40,617,542.99
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Solution
The fourth proportional to 69,976,751.92, 96,587,127.13 and 40,617,542.99 is: 56,063,359.34
Step by Step Solution
- Step 1: Write the proportion equation
69,976,751.92 : 96,587,127.13 = 40,617,542.99 : x - Step 2: Convert to fraction form
69,976,751.92/96,587,127.13 = 40,617,542.99/x - Step 3: Cross multiply
69,976,751.92x = 96,587,127.13 × 40,617,542.99 - Step 4: Simplify right side
69,976,751.92x = 3,923,131,788,483,370.50 - Step 5: Solve for x
x = 3,923,131,788,483,370.50/69,976,751.92 - Step 6: Final answer
x = 56,063,359.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.