Finding the Fourth Proportional to 147,730,173.84, 203,878,195.56 and 81,649,250.64
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Solution
The fourth proportional to 147,730,173.84, 203,878,195.56 and 81,649,250.64 is: 112,681,799.91
Step by Step Solution
- Step 1: Write the proportion equation
147,730,173.84 : 203,878,195.56 = 81,649,250.64 : x - Step 2: Convert to fraction form
147,730,173.84/203,878,195.56 = 81,649,250.64/x - Step 3: Cross multiply
147,730,173.84x = 203,878,195.56 × 81,649,250.64 - Step 4: Simplify right side
147,730,173.84x = 16,646,501,889,309,376 - Step 5: Solve for x
x = 16,646,501,889,309,376/147,730,173.84 - Step 6: Final answer
x = 112,681,799.91
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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.