Finding the Fourth Proportional to 62,623,637.86, 86,114,164.57 and 54,349,335.05
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Solution
The fourth proportional to 62,623,637.86, 86,114,164.57 and 54,349,335.05 is: 74,736,117.91
Step by Step Solution
- Step 1: Write the proportion equation
62,623,637.86 : 86,114,164.57 = 54,349,335.05 : x - Step 2: Convert to fraction form
62,623,637.86/86,114,164.57 = 54,349,335.05/x - Step 3: Cross multiply
62,623,637.86x = 86,114,164.57 × 54,349,335.05 - Step 4: Simplify right side
62,623,637.86x = 4,680,247,582,765,769 - Step 5: Solve for x
x = 4,680,247,582,765,769/62,623,637.86 - Step 6: Final answer
x = 74,736,117.91
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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.