Finding the Fourth Proportional to 193,429,277.80, 290,143,916.70 and 168,235,037.80
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Solution
The fourth proportional to 193,429,277.80, 290,143,916.70 and 168,235,037.80 is: 252,352,556.70
Step by Step Solution
- Step 1: Write the proportion equation
193,429,277.80 : 290,143,916.70 = 168,235,037.80 : x - Step 2: Convert to fraction form
193,429,277.80/290,143,916.70 = 168,235,037.80/x - Step 3: Cross multiply
193,429,277.80x = 290,143,916.70 × 168,235,037.80 - Step 4: Simplify right side
193,429,277.80x = 48,812,372,793,464,552 - Step 5: Solve for x
x = 48,812,372,793,464,552/193,429,277.80 - Step 6: Final answer
x = 252,352,556.70
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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.