Finding the Fourth Proportional to 149,776,212.80, 224,664,319.20 and 125,589,742.40
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Solution
The fourth proportional to 149,776,212.80, 224,664,319.20 and 125,589,742.40 is: 188,384,613.60
Step by Step Solution
- Step 1: Write the proportion equation
149,776,212.80 : 224,664,319.20 = 125,589,742.40 : x - Step 2: Convert to fraction form
149,776,212.80/224,664,319.20 = 125,589,742.40/x - Step 3: Cross multiply
149,776,212.80x = 224,664,319.20 × 125,589,742.40 - Step 4: Simplify right side
149,776,212.80x = 28,215,533,974,799,372 - Step 5: Solve for x
x = 28,215,533,974,799,372/149,776,212.80 - Step 6: Final answer
x = 188,384,613.60
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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.