Finding the Fourth Proportional to 199,587,718.80, 299,157,629.40 and 113,367,430.80
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Solution
The fourth proportional to 199,587,718.80, 299,157,629.40 and 113,367,430.80 is: 169,923,941.48
Step by Step Solution
- Step 1: Write the proportion equation
199,587,718.80 : 299,157,629.40 = 113,367,430.80 : x - Step 2: Convert to fraction form
199,587,718.80/299,157,629.40 = 113,367,430.80/x - Step 3: Cross multiply
199,587,718.80x = 299,157,629.40 × 113,367,430.80 - Step 4: Simplify right side
199,587,718.80x = 33,914,731,849,296,540 - Step 5: Solve for x
x = 33,914,731,849,296,540/199,587,718.80 - Step 6: Final answer
x = 169,923,941.48
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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.