Finding the Fourth Proportional to 147,072,279.80, 220,608,419.70 and 39,366,903.80
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Solution
The fourth proportional to 147,072,279.80, 220,608,419.70 and 39,366,903.80 is: 59,050,355.70
Step by Step Solution
- Step 1: Write the proportion equation
147,072,279.80 : 220,608,419.70 = 39,366,903.80 : x - Step 2: Convert to fraction form
147,072,279.80/220,608,419.70 = 39,366,903.80/x - Step 3: Cross multiply
147,072,279.80x = 220,608,419.70 × 39,366,903.80 - Step 4: Simplify right side
147,072,279.80x = 8,684,670,435,799,924 - Step 5: Solve for x
x = 8,684,670,435,799,924/147,072,279.80 - Step 6: Final answer
x = 59,050,355.70
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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.