Finding the Fourth Proportional to 161,777,820.60, 242,666,730.90 and 134,873,619.99
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Solution
The fourth proportional to 161,777,820.60, 242,666,730.90 and 134,873,619.99 is: 202,310,429.99
Step by Step Solution
- Step 1: Write the proportion equation
161,777,820.60 : 242,666,730.90 = 134,873,619.99 : x - Step 2: Convert to fraction form
161,777,820.60/242,666,730.90 = 134,873,619.99/x - Step 3: Cross multiply
161,777,820.60x = 242,666,730.90 × 134,873,619.99 - Step 4: Simplify right side
161,777,820.60x = 32,729,340,447,622,192 - Step 5: Solve for x
x = 32,729,340,447,622,192/161,777,820.60 - Step 6: Final answer
x = 202,310,429.99
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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.