Finding the Fourth Proportional to 143,115,497.40, 214,673,246.10 and 133,478,700.60
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Solution
The fourth proportional to 143,115,497.40, 214,673,246.10 and 133,478,700.60 is: 200,218,050.90
Step by Step Solution
- Step 1: Write the proportion equation
143,115,497.40 : 214,673,246.10 = 133,478,700.60 : x - Step 2: Convert to fraction form
143,115,497.40/214,673,246.10 = 133,478,700.60/x - Step 3: Cross multiply
143,115,497.40x = 214,673,246.10 × 133,478,700.60 - Step 4: Simplify right side
143,115,497.40x = 28,654,305,943,012,016 - Step 5: Solve for x
x = 28,654,305,943,012,016/143,115,497.40 - Step 6: Final answer
x = 200,218,050.90
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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.