Finding the Fourth Proportional to 213,681,624, 294,880,660.56 and 120,860,134.08
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Solution
The fourth proportional to 213,681,624, 294,880,660.56 and 120,860,134.08 is: 166,786,996.03
Step by Step Solution
- Step 1: Write the proportion equation
213,681,624 : 294,880,660.56 = 120,860,134.08 : x - Step 2: Convert to fraction form
213,681,624/294,880,660.56 = 120,860,134.08/x - Step 3: Cross multiply
213,681,624x = 294,880,660.56 × 120,860,134.08 - Step 4: Simplify right side
213,681,624x = 35,639,316,172,880,568 - Step 5: Solve for x
x = 35,639,316,172,880,568/213,681,624 - Step 6: Final answer
x = 166,786,996.03
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1.5x scale
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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.