Finding the Fourth Proportional to 74,495,107.80, 111,742,661.70 and 74,495,107.80
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Solution
The fourth proportional to 74,495,107.80, 111,742,661.70 and 74,495,107.80 is: 111,742,661.70
Step by Step Solution
- Step 1: Write the proportion equation
74,495,107.80 : 111,742,661.70 = 74,495,107.80 : x - Step 2: Convert to fraction form
74,495,107.80/111,742,661.70 = 74,495,107.80/x - Step 3: Cross multiply
74,495,107.80x = 111,742,661.70 × 74,495,107.80 - Step 4: Simplify right side
74,495,107.80x = 8,324,281,629,200,431 - Step 5: Solve for x
x = 8,324,281,629,200,431/74,495,107.80 - Step 6: Final answer
x = 111,742,661.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.