Finding the Fourth Proportional to 193,889,844.64, 267,477,875.76 and 115,529,459.68
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Solution
The fourth proportional to 193,889,844.64, 267,477,875.76 and 115,529,459.68 is: 159,376,962.32
Step by Step Solution
- Step 1: Write the proportion equation
193,889,844.64 : 267,477,875.76 = 115,529,459.68 : x - Step 2: Convert to fraction form
193,889,844.64/267,477,875.76 = 115,529,459.68/x - Step 3: Cross multiply
193,889,844.64x = 267,477,875.76 × 115,529,459.68 - Step 4: Simplify right side
193,889,844.64x = 30,901,574,462,906,972 - Step 5: Solve for x
x = 30,901,574,462,906,972/193,889,844.64 - Step 6: Final answer
x = 159,376,962.32
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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.