Finding the Fourth Proportional to 90,301,273.23, 135,508,596.88 and 84,490,851.63
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Solution
The fourth proportional to 90,301,273.23, 135,508,596.88 and 84,490,851.63 is: 126,789,316.96
Step by Step Solution
- Step 1: Write the proportion equation
90,301,273.23 : 135,508,596.88 = 84,490,851.63 : x - Step 2: Convert to fraction form
90,301,273.23/135,508,596.88 = 84,490,851.63/x - Step 3: Cross multiply
90,301,273.23x = 135,508,596.88 × 84,490,851.63 - Step 4: Simplify right side
90,301,273.23x = 11,449,236,753,577,560 - Step 5: Solve for x
x = 11,449,236,753,577,560/90,301,273.23 - Step 6: Final answer
x = 126,789,316.96
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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.