Finding the Fourth Proportional to 90,708,438.09, 136,063,157.39 and 22,551,129.84
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Solution
The fourth proportional to 90,708,438.09, 136,063,157.39 and 22,551,129.84 is: 33,826,819.12
Step by Step Solution
- Step 1: Write the proportion equation
90,708,438.09 : 136,063,157.39 = 22,551,129.84 : x - Step 2: Convert to fraction form
90,708,438.09/136,063,157.39 = 22,551,129.84/x - Step 3: Cross multiply
90,708,438.09x = 136,063,157.39 × 22,551,129.84 - Step 4: Simplify right side
90,708,438.09x = 3,068,377,928,118,308 - Step 5: Solve for x
x = 3,068,377,928,118,308/90,708,438.09 - Step 6: Final answer
x = 33,826,819.12
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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.