Finding the Fourth Proportional to 293,420,215.80, 440,130,323.70 and 132,177,079.80
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Solution
The fourth proportional to 293,420,215.80, 440,130,323.70 and 132,177,079.80 is: 198,265,619.70
Step by Step Solution
- Step 1: Write the proportion equation
293,420,215.80 : 440,130,323.70 = 132,177,079.80 : x - Step 2: Convert to fraction form
293,420,215.80/440,130,323.70 = 132,177,079.80/x - Step 3: Cross multiply
293,420,215.80x = 440,130,323.70 × 132,177,079.80 - Step 4: Simplify right side
293,420,215.80x = 58,175,140,918,094,728 - Step 5: Solve for x
x = 58,175,140,918,094,728/293,420,215.80 - Step 6: Final answer
x = 198,265,619.70
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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.