Finding the Fourth Proportional to 270,312,548.94, 405,507,664.17 and 83,581,043.34
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Solution
The fourth proportional to 270,312,548.94, 405,507,664.17 and 83,581,043.34 is: 125,383,574.63
Step by Step Solution
- Step 1: Write the proportion equation
270,312,548.94 : 405,507,664.17 = 83,581,043.34 : x - Step 2: Convert to fraction form
270,312,548.94/405,507,664.17 = 83,581,043.34/x - Step 3: Cross multiply
270,312,548.94x = 405,507,664.17 × 83,581,043.34 - Step 4: Simplify right side
270,312,548.94x = 33,892,753,653,694,936 - Step 5: Solve for x
x = 33,892,753,653,694,936/270,312,548.94 - Step 6: Final answer
x = 125,383,574.63
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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.