Finding the Fourth Proportional to 201,498,368.76, 302,246,538.60 and 78,689,157.03
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Solution
The fourth proportional to 201,498,368.76, 302,246,538.60 and 78,689,157.03 is: 118,033,339.35
Step by Step Solution
- Step 1: Write the proportion equation
201,498,368.76 : 302,246,538.60 = 78,689,157.03 : x - Step 2: Convert to fraction form
201,498,368.76/302,246,538.60 = 78,689,157.03/x - Step 3: Cross multiply
201,498,368.76x = 302,246,538.60 × 78,689,157.03 - Step 4: Simplify right side
201,498,368.76x = 23,783,525,337,669,360 - Step 5: Solve for x
x = 23,783,525,337,669,360/201,498,368.76 - Step 6: Final answer
x = 118,033,339.35
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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.