Finding the Fourth Proportional to 90,135,327.20, 135,357,716.44 and 55,324,852.20
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Solution
The fourth proportional to 90,135,327.20, 135,357,716.44 and 55,324,852.20 is: 83,082,248.53
Step by Step Solution
- Step 1: Write the proportion equation
90,135,327.20 : 135,357,716.44 = 55,324,852.20 : x - Step 2: Convert to fraction form
90,135,327.20/135,357,716.44 = 55,324,852.20/x - Step 3: Cross multiply
90,135,327.20x = 135,357,716.44 × 55,324,852.20 - Step 4: Simplify right side
90,135,327.20x = 7,488,645,656,172,510 - Step 5: Solve for x
x = 7,488,645,656,172,510/90,135,327.20 - Step 6: Final answer
x = 83,082,248.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.