Finding the Fourth Proportional to 340,993,235.60, 511,489,853.40 and 125,537,901.20
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Solution
The fourth proportional to 340,993,235.60, 511,489,853.40 and 125,537,901.20 is: 188,306,851.80
Step by Step Solution
- Step 1: Write the proportion equation
340,993,235.60 : 511,489,853.40 = 125,537,901.20 : x - Step 2: Convert to fraction form
340,993,235.60/511,489,853.40 = 125,537,901.20/x - Step 3: Cross multiply
340,993,235.60x = 511,489,853.40 × 125,537,901.20 - Step 4: Simplify right side
340,993,235.60x = 64,211,362,680,931,680 - Step 5: Solve for x
x = 64,211,362,680,931,680/340,993,235.60 - Step 6: Final answer
x = 188,306,851.80
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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.