Finding the Fourth Proportional to 168,805,986.20, 253,173,549.42 and 47,609,094.68
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Solution
The fourth proportional to 168,805,986.20, 253,173,549.42 and 47,609,094.68 is: 71,403,649.58
Step by Step Solution
- Step 1: Write the proportion equation
168,805,986.20 : 253,173,549.42 = 47,609,094.68 : x - Step 2: Convert to fraction form
168,805,986.20/253,173,549.42 = 47,609,094.68/x - Step 3: Cross multiply
168,805,986.20x = 253,173,549.42 × 47,609,094.68 - Step 4: Simplify right side
168,805,986.20x = 12,053,363,484,808,438 - Step 5: Solve for x
x = 12,053,363,484,808,438/168,805,986.20 - Step 6: Final answer
x = 71,403,649.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.