Finding the Fourth Proportional to 62,623,636.86, 86,114,163.19 and 54,349,334.05
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Solution
The fourth proportional to 62,623,636.86, 86,114,163.19 and 54,349,334.05 is: 74,736,116.53
Step by Step Solution
- Step 1: Write the proportion equation
62,623,636.86 : 86,114,163.19 = 54,349,334.05 : x - Step 2: Convert to fraction form
62,623,636.86/86,114,163.19 = 54,349,334.05/x - Step 3: Cross multiply
62,623,636.86x = 86,114,163.19 × 54,349,334.05 - Step 4: Simplify right side
62,623,636.86x = 4,680,247,421,714,727 - Step 5: Solve for x
x = 4,680,247,421,714,727/62,623,636.86 - Step 6: Final answer
x = 74,736,116.53
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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.