Finding the Fourth Proportional to 71,017,374.42, 106,556,750.19 and 38,189,573.92
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Solution
The fourth proportional to 71,017,374.42, 106,556,750.19 and 38,189,573.92 is: 57,300,863.65
Step by Step Solution
- Step 1: Write the proportion equation
71,017,374.42 : 106,556,750.19 = 38,189,573.92 : x - Step 2: Convert to fraction form
71,017,374.42/106,556,750.19 = 38,189,573.92/x - Step 3: Cross multiply
71,017,374.42x = 106,556,750.19 × 38,189,573.92 - Step 4: Simplify right side
71,017,374.42x = 4,069,356,888,055,979 - Step 5: Solve for x
x = 4,069,356,888,055,979/71,017,374.42 - Step 6: Final answer
x = 57,300,863.65
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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.