Finding the Fourth Proportional to 168,025,593.13, 252,038,389.69 and 40,374,777.13
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Solution
The fourth proportional to 168,025,593.13, 252,038,389.69 and 40,374,777.13 is: 60,562,165.69
Step by Step Solution
- Step 1: Write the proportion equation
168,025,593.13 : 252,038,389.69 = 40,374,777.13 : x - Step 2: Convert to fraction form
168,025,593.13/252,038,389.69 = 40,374,777.13/x - Step 3: Cross multiply
168,025,593.13x = 252,038,389.69 × 40,374,777.13 - Step 4: Simplify right side
168,025,593.13x = 10,175,993,811,937,840 - Step 5: Solve for x
x = 10,175,993,811,937,840/168,025,593.13 - Step 6: Final answer
x = 60,562,165.69
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1.5x scale
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.