Finding the Fourth Proportional to 90,104,669.94, 135,157,226.39 and 25,408,814.07
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Solution
The fourth proportional to 90,104,669.94, 135,157,226.39 and 25,408,814.07 is: 38,113,283.56
Step by Step Solution
- Step 1: Write the proportion equation
90,104,669.94 : 135,157,226.39 = 25,408,814.07 : x - Step 2: Convert to fraction form
90,104,669.94/135,157,226.39 = 25,408,814.07/x - Step 3: Cross multiply
90,104,669.94x = 135,157,226.39 × 25,408,814.07 - Step 4: Simplify right side
90,104,669.94x = 3,434,184,835,560,407 - Step 5: Solve for x
x = 3,434,184,835,560,407/90,104,669.94 - Step 6: Final answer
x = 38,113,283.56
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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.