Finding the Fourth Proportional to 248,832,738.80, 373,249,108.20 and 87,274,674.80
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Solution
The fourth proportional to 248,832,738.80, 373,249,108.20 and 87,274,674.80 is: 130,912,012.20
Step by Step Solution
- Step 1: Write the proportion equation
248,832,738.80 : 373,249,108.20 = 87,274,674.80 : x - Step 2: Convert to fraction form
248,832,738.80/373,249,108.20 = 87,274,674.80/x - Step 3: Cross multiply
248,832,738.80x = 373,249,108.20 × 87,274,674.80 - Step 4: Simplify right side
248,832,738.80x = 32,575,194,537,545,012 - Step 5: Solve for x
x = 32,575,194,537,545,012/248,832,738.80 - Step 6: Final answer
x = 130,912,012.20
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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.