Finding the Fourth Proportional to 168,831,538.10, 232,994,804.12 and 93,477,865.39
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Solution
The fourth proportional to 168,831,538.10, 232,994,804.12 and 93,477,865.39 is: 129,003,485.85
Step by Step Solution
- Step 1: Write the proportion equation
168,831,538.10 : 232,994,804.12 = 93,477,865.39 : x - Step 2: Convert to fraction form
168,831,538.10/232,994,804.12 = 93,477,865.39/x - Step 3: Cross multiply
168,831,538.10x = 232,994,804.12 × 93,477,865.39 - Step 4: Simplify right side
168,831,538.10x = 21,779,856,936,098,776 - Step 5: Solve for x
x = 21,779,856,936,098,776/168,831,538.10 - Step 6: Final answer
x = 129,003,485.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.