Finding the Fourth Proportional to 79,507,208.80, 119,197,827.60 and 43,605,416.80
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Solution
The fourth proportional to 79,507,208.80, 119,197,827.60 and 43,605,416.80 is: 65,373,580.99
Step by Step Solution
- Step 1: Write the proportion equation
79,507,208.80 : 119,197,827.60 = 43,605,416.80 : x - Step 2: Convert to fraction form
79,507,208.80/119,197,827.60 = 43,605,416.80/x - Step 3: Cross multiply
79,507,208.80x = 119,197,827.60 × 43,605,416.80 - Step 4: Simplify right side
79,507,208.80x = 5,197,670,954,152,543 - Step 5: Solve for x
x = 5,197,670,954,152,543/79,507,208.80 - Step 6: Final answer
x = 65,373,580.99
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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.