Finding the Fourth Proportional to 135,762,878.68, 187,392,251.66 and 88,727,027.92
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Solution
The fourth proportional to 135,762,878.68, 187,392,251.66 and 88,727,027.92 is: 122,469,099.85
Step by Step Solution
- Step 1: Write the proportion equation
135,762,878.68 : 187,392,251.66 = 88,727,027.92 : x - Step 2: Convert to fraction form
135,762,878.68/187,392,251.66 = 88,727,027.92/x - Step 3: Cross multiply
135,762,878.68x = 187,392,251.66 × 88,727,027.92 - Step 4: Simplify right side
135,762,878.68x = 16,626,757,545,028,486 - Step 5: Solve for x
x = 16,626,757,545,028,486/135,762,878.68 - Step 6: Final answer
x = 122,469,099.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.