Finding the Fourth Proportional to 213,176,172.64, 319,794,761.87 and 65,636,216.09
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Solution
The fourth proportional to 213,176,172.64, 319,794,761.87 and 65,636,216.09 is: 98,463,715.88
Step by Step Solution
- Step 1: Write the proportion equation
213,176,172.64 : 319,794,761.87 = 65,636,216.09 : x - Step 2: Convert to fraction form
213,176,172.64/319,794,761.87 = 65,636,216.09/x - Step 3: Cross multiply
213,176,172.64x = 319,794,761.87 × 65,636,216.09 - Step 4: Simplify right side
213,176,172.64x = 20,990,118,094,549,412 - Step 5: Solve for x
x = 20,990,118,094,549,412/213,176,172.64 - Step 6: Final answer
x = 98,463,715.88
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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.