Finding the Fourth Proportional to 163,946,023.34, 245,767,699.46 and 81,993,588.08
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Solution
The fourth proportional to 163,946,023.34, 245,767,699.46 and 81,993,588.08 is: 122,914,695.35
Step by Step Solution
- Step 1: Write the proportion equation
163,946,023.34 : 245,767,699.46 = 81,993,588.08 : x - Step 2: Convert to fraction form
163,946,023.34/245,767,699.46 = 81,993,588.08/x - Step 3: Cross multiply
163,946,023.34x = 245,767,699.46 × 81,993,588.08 - Step 4: Simplify right side
163,946,023.34x = 20,151,375,511,253,672 - Step 5: Solve for x
x = 20,151,375,511,253,672/163,946,023.34 - Step 6: Final answer
x = 122,914,695.35
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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.