Finding the Fourth Proportional to 79,305,459.12, 118,931,248.38 and 27,477,965.92
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Solution
The fourth proportional to 79,305,459.12, 118,931,248.38 and 27,477,965.92 is: 41,207,614.53
Step by Step Solution
- Step 1: Write the proportion equation
79,305,459.12 : 118,931,248.38 = 27,477,965.92 : x - Step 2: Convert to fraction form
79,305,459.12/118,931,248.38 = 27,477,965.92/x - Step 3: Cross multiply
79,305,459.12x = 118,931,248.38 × 27,477,965.92 - Step 4: Simplify right side
79,305,459.12x = 3,267,988,789,808,695.50 - Step 5: Solve for x
x = 3,267,988,789,808,695.50/79,305,459.12 - Step 6: Final answer
x = 41,207,614.53
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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.