Finding the Fourth Proportional to 145,943,011.04, 201,401,375.13 and 79,863,525.05
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Solution
The fourth proportional to 145,943,011.04, 201,401,375.13 and 79,863,525.05 is: 110,211,675.45
Step by Step Solution
- Step 1: Write the proportion equation
145,943,011.04 : 201,401,375.13 = 79,863,525.05 : x - Step 2: Convert to fraction form
145,943,011.04/201,401,375.13 = 79,863,525.05/x - Step 3: Cross multiply
145,943,011.04x = 201,401,375.13 × 79,863,525.05 - Step 4: Simplify right side
145,943,011.04x = 16,084,623,766,792,196 - Step 5: Solve for x
x = 16,084,623,766,792,196/145,943,011.04 - Step 6: Final answer
x = 110,211,675.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.