Finding the Fourth Proportional to 149,477,222.80, 224,215,834.20 and 135,128,315.80
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Solution
The fourth proportional to 149,477,222.80, 224,215,834.20 and 135,128,315.80 is: 202,692,473.70
Step by Step Solution
- Step 1: Write the proportion equation
149,477,222.80 : 224,215,834.20 = 135,128,315.80 : x - Step 2: Convert to fraction form
149,477,222.80/224,215,834.20 = 135,128,315.80/x - Step 3: Cross multiply
149,477,222.80x = 224,215,834.20 × 135,128,315.80 - Step 4: Simplify right side
149,477,222.80x = 30,297,908,051,138,040 - Step 5: Solve for x
x = 30,297,908,051,138,040/149,477,222.80 - Step 6: Final answer
x = 202,692,473.70
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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.