Finding the Fourth Proportional to 65,330,509.80, 97,995,764.70 and 33,480,013.80
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Solution
The fourth proportional to 65,330,509.80, 97,995,764.70 and 33,480,013.80 is: 50,220,020.70
Step by Step Solution
- Step 1: Write the proportion equation
65,330,509.80 : 97,995,764.70 = 33,480,013.80 : x - Step 2: Convert to fraction form
65,330,509.80/97,995,764.70 = 33,480,013.80/x - Step 3: Cross multiply
65,330,509.80x = 97,995,764.70 × 33,480,013.80 - Step 4: Simplify right side
65,330,509.80x = 3,280,899,554,497,553 - Step 5: Solve for x
x = 3,280,899,554,497,553/65,330,509.80 - Step 6: Final answer
x = 50,220,020.70
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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.