Finding the Fourth Proportional to 161,142,491.64, 241,785,181.62 and 84,447,285.24
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Solution
The fourth proportional to 161,142,491.64, 241,785,181.62 and 84,447,285.24 is: 126,708,368.42
Step by Step Solution
- Step 1: Write the proportion equation
161,142,491.64 : 241,785,181.62 = 84,447,285.24 : x - Step 2: Convert to fraction form
161,142,491.64/241,785,181.62 = 84,447,285.24/x - Step 3: Cross multiply
161,142,491.64x = 241,785,181.62 × 84,447,285.24 - Step 4: Simplify right side
161,142,491.64x = 20,418,102,199,069,344 - Step 5: Solve for x
x = 20,418,102,199,069,344/161,142,491.64 - Step 6: Final answer
x = 126,708,368.42
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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.