Finding the Fourth Proportional to 89,855,419.41, 134,783,523.99 and 28,444,879.80
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Solution
The fourth proportional to 89,855,419.41, 134,783,523.99 and 28,444,879.80 is: 42,667,444.70
Step by Step Solution
- Step 1: Write the proportion equation
89,855,419.41 : 134,783,523.99 = 28,444,879.80 : x - Step 2: Convert to fraction form
89,855,419.41/134,783,523.99 = 28,444,879.80/x - Step 3: Cross multiply
89,855,419.41x = 134,783,523.99 × 28,444,879.80 - Step 4: Simplify right side
89,855,419.41x = 3,833,901,138,915,967 - Step 5: Solve for x
x = 3,833,901,138,915,967/89,855,419.41 - Step 6: Final answer
x = 42,667,444.70
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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.