Finding the Fourth Proportional to 213,681,654, 294,880,701.96 and 120,860,164.08
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Solution
The fourth proportional to 213,681,654, 294,880,701.96 and 120,860,164.08 is: 166,787,037.43
Step by Step Solution
- Step 1: Write the proportion equation
213,681,654 : 294,880,701.96 = 120,860,164.08 : x - Step 2: Convert to fraction form
213,681,654/294,880,701.96 = 120,860,164.08/x - Step 3: Cross multiply
213,681,654x = 294,880,701.96 × 120,860,164.08 - Step 4: Simplify right side
213,681,654x = 35,639,330,022,911,176 - Step 5: Solve for x
x = 35,639,330,022,911,176/213,681,654 - Step 6: Final answer
x = 166,787,037.43
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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.