Finding the Fourth Proportional to 239,493,705.02, 359,239,050.08 and 128,881,478.44
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Solution
The fourth proportional to 239,493,705.02, 359,239,050.08 and 128,881,478.44 is: 193,321,406.44
Step by Step Solution
- Step 1: Write the proportion equation
239,493,705.02 : 359,239,050.08 = 128,881,478.44 : x - Step 2: Convert to fraction form
239,493,705.02/359,239,050.08 = 128,881,478.44/x - Step 3: Cross multiply
239,493,705.02x = 359,239,050.08 × 128,881,478.44 - Step 4: Simplify right side
239,493,705.02x = 46,299,259,887,691,600 - Step 5: Solve for x
x = 46,299,259,887,691,600/239,493,705.02 - Step 6: Final answer
x = 193,321,406.44
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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.