Finding the Fourth Proportional to 170,830,360.80, 256,245,541.20 and 142,108,927.20
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Solution
The fourth proportional to 170,830,360.80, 256,245,541.20 and 142,108,927.20 is: 213,163,390.80
Step by Step Solution
- Step 1: Write the proportion equation
170,830,360.80 : 256,245,541.20 = 142,108,927.20 : x - Step 2: Convert to fraction form
170,830,360.80/256,245,541.20 = 142,108,927.20/x - Step 3: Cross multiply
170,830,360.80x = 256,245,541.20 × 142,108,927.20 - Step 4: Simplify right side
170,830,360.80x = 36,414,778,959,715,392 - Step 5: Solve for x
x = 36,414,778,959,715,392/170,830,360.80 - Step 6: Final answer
x = 213,163,390.80
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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.