Finding the Fourth Proportional to 213,069,619.25, 318,681,148.35 and 125,422,253.81
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Solution
The fourth proportional to 213,069,619.25, 318,681,148.35 and 125,422,253.81 is: 187,589,896.74
Step by Step Solution
- Step 1: Write the proportion equation
213,069,619.25 : 318,681,148.35 = 125,422,253.81 : x - Step 2: Convert to fraction form
213,069,619.25/318,681,148.35 = 125,422,253.81/x - Step 3: Cross multiply
213,069,619.25x = 318,681,148.35 × 125,422,253.81 - Step 4: Simplify right side
213,069,619.25x = 39,969,707,872,815,968 - Step 5: Solve for x
x = 39,969,707,872,815,968/213,069,619.25 - Step 6: Final answer
x = 187,589,896.74
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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.