Finding the Fourth Proportional to 213,563,817.46, 294,740,034.42 and 129,937,884.94
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Solution
The fourth proportional to 213,563,817.46, 294,740,034.42 and 129,937,884.94 is: 179,327,646.11
Step by Step Solution
- Step 1: Write the proportion equation
213,563,817.46 : 294,740,034.42 = 129,937,884.94 : x - Step 2: Convert to fraction form
213,563,817.46/294,740,034.42 = 129,937,884.94/x - Step 3: Cross multiply
213,563,817.46x = 294,740,034.42 × 129,937,884.94 - Step 4: Simplify right side
213,563,817.46x = 38,297,896,679,677,600 - Step 5: Solve for x
x = 38,297,896,679,677,600/213,563,817.46 - Step 6: Final answer
x = 179,327,646.11
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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.