Finding the Fourth Proportional to 168,235,201.30, 252,352,801.95 and 91,707,697.30
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Solution
The fourth proportional to 168,235,201.30, 252,352,801.95 and 91,707,697.30 is: 137,561,545.95
Step by Step Solution
- Step 1: Write the proportion equation
168,235,201.30 : 252,352,801.95 = 91,707,697.30 : x - Step 2: Convert to fraction form
168,235,201.30/252,352,801.95 = 91,707,697.30/x - Step 3: Cross multiply
168,235,201.30x = 252,352,801.95 × 91,707,697.30 - Step 4: Simplify right side
168,235,201.30x = 23,142,694,374,037,448 - Step 5: Solve for x
x = 23,142,694,374,037,448/168,235,201.30 - Step 6: Final answer
x = 137,561,545.95
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1.5x scale
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.