Finding the Fourth Proportional to 168,181,423.80, 252,272,135.70 and 59,129,730.60
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Solution
The fourth proportional to 168,181,423.80, 252,272,135.70 and 59,129,730.60 is: 88,694,595.90
Step by Step Solution
- Step 1: Write the proportion equation
168,181,423.80 : 252,272,135.70 = 59,129,730.60 : x - Step 2: Convert to fraction form
168,181,423.80/252,272,135.70 = 59,129,730.60/x - Step 3: Cross multiply
168,181,423.80x = 252,272,135.70 × 59,129,730.60 - Step 4: Simplify right side
168,181,423.80x = 14,916,783,421,827,642 - Step 5: Solve for x
x = 14,916,783,421,827,642/168,181,423.80 - Step 6: Final answer
x = 88,694,595.90
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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.