Finding the Fourth Proportional to 106,143,731.46, 146,484,378.66 and 63,770,251.08
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Solution
The fourth proportional to 106,143,731.46, 146,484,378.66 and 63,770,251.08 is: 88,006,568.81
Step by Step Solution
- Step 1: Write the proportion equation
106,143,731.46 : 146,484,378.66 = 63,770,251.08 : x - Step 2: Convert to fraction form
106,143,731.46/146,484,378.66 = 63,770,251.08/x - Step 3: Cross multiply
106,143,731.46x = 146,484,378.66 × 63,770,251.08 - Step 4: Simplify right side
106,143,731.46x = 9,341,345,606,445,994 - Step 5: Solve for x
x = 9,341,345,606,445,994/106,143,731.46 - Step 6: Final answer
x = 88,006,568.81
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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.