Finding the Fourth Proportional to 232,286,776.64, 348,430,164.84 and 86,731,705.12
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Solution
The fourth proportional to 232,286,776.64, 348,430,164.84 and 86,731,705.12 is: 130,097,557.64
Step by Step Solution
- Step 1: Write the proportion equation
232,286,776.64 : 348,430,164.84 = 86,731,705.12 : x - Step 2: Convert to fraction form
232,286,776.64/348,430,164.84 = 86,731,705.12/x - Step 3: Cross multiply
232,286,776.64x = 348,430,164.84 × 86,731,705.12 - Step 4: Simplify right side
232,286,776.64x = 30,219,942,311,815,872 - Step 5: Solve for x
x = 30,219,942,311,815,872/232,286,776.64 - Step 6: Final answer
x = 130,097,557.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.