Finding the Fourth Proportional to 170,143,397.40, 255,523,025.70 and 148,980,235.80
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Solution
The fourth proportional to 170,143,397.40, 255,523,025.70 and 148,980,235.80 is: 223,739,981.70
Step by Step Solution
- Step 1: Write the proportion equation
170,143,397.40 : 255,523,025.70 = 148,980,235.80 : x - Step 2: Convert to fraction form
170,143,397.40/255,523,025.70 = 148,980,235.80/x - Step 3: Cross multiply
170,143,397.40x = 255,523,025.70 × 148,980,235.80 - Step 4: Simplify right side
170,143,397.40x = 38,067,880,621,115,464 - Step 5: Solve for x
x = 38,067,880,621,115,464/170,143,397.40 - Step 6: Final answer
x = 223,739,981.70
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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.