Finding the Fourth Proportional to 83,750,981.40, 125,630,408.70 and 26,245,128.60
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Solution
The fourth proportional to 83,750,981.40, 125,630,408.70 and 26,245,128.60 is: 39,368,926.52
Step by Step Solution
- Step 1: Write the proportion equation
83,750,981.40 : 125,630,408.70 = 26,245,128.60 : x - Step 2: Convert to fraction form
83,750,981.40/125,630,408.70 = 26,245,128.60/x - Step 3: Cross multiply
83,750,981.40x = 125,630,408.70 × 26,245,128.60 - Step 4: Simplify right side
83,750,981.40x = 3,297,186,232,402,059 - Step 5: Solve for x
x = 3,297,186,232,402,059/83,750,981.40 - Step 6: Final answer
x = 39,368,926.52
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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.