Finding the Fourth Proportional to 168,831,563.20, 232,994,838.92 and 93,477,890.68
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Solution
The fourth proportional to 168,831,563.20, 232,994,838.92 and 93,477,890.68 is: 129,003,520.83
Step by Step Solution
- Step 1: Write the proportion equation
168,831,563.20 : 232,994,838.92 = 93,477,890.68 : x - Step 2: Convert to fraction form
168,831,563.20/232,994,838.92 = 93,477,890.68/x - Step 3: Cross multiply
168,831,563.20x = 232,994,838.92 × 93,477,890.68 - Step 4: Simplify right side
168,831,563.20x = 21,779,866,080,518,092 - Step 5: Solve for x
x = 21,779,866,080,518,092/168,831,563.20 - Step 6: Final answer
x = 129,003,520.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.