Finding the Fourth Proportional to 130,342,179.25, 195,538,445.84 and 49,556,865.97
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Solution
The fourth proportional to 130,342,179.25, 195,538,445.84 and 49,556,865.97 is: 74,344,871.39
Step by Step Solution
- Step 1: Write the proportion equation
130,342,179.25 : 195,538,445.84 = 49,556,865.97 : x - Step 2: Convert to fraction form
130,342,179.25/195,538,445.84 = 49,556,865.97/x - Step 3: Cross multiply
130,342,179.25x = 195,538,445.84 × 49,556,865.97 - Step 4: Simplify right side
130,342,179.25x = 9,690,272,552,474,984 - Step 5: Solve for x
x = 9,690,272,552,474,984/130,342,179.25 - Step 6: Final answer
x = 74,344,871.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.