Finding the Fourth Proportional to 136,488,750.30, 204,733,125.45 and 39,447,623.70
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Solution
The fourth proportional to 136,488,750.30, 204,733,125.45 and 39,447,623.70 is: 59,171,435.55
Step by Step Solution
- Step 1: Write the proportion equation
136,488,750.30 : 204,733,125.45 = 39,447,623.70 : x - Step 2: Convert to fraction form
136,488,750.30/204,733,125.45 = 39,447,623.70/x - Step 3: Cross multiply
136,488,750.30x = 204,733,125.45 × 39,447,623.70 - Step 4: Simplify right side
136,488,750.30x = 8,076,235,291,676,493 - Step 5: Solve for x
x = 8,076,235,291,676,493/136,488,750.30 - Step 6: Final answer
x = 59,171,435.55
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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.