Finding the Fourth Proportional to 355,983,502.60, 534,134,686.20 and 161,794,961.20
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Solution
The fourth proportional to 355,983,502.60, 534,134,686.20 and 161,794,961.20 is: 242,764,903.99
Step by Step Solution
- Step 1: Write the proportion equation
355,983,502.60 : 534,134,686.20 = 161,794,961.20 : x - Step 2: Convert to fraction form
355,983,502.60/534,134,686.20 = 161,794,961.20/x - Step 3: Cross multiply
355,983,502.60x = 534,134,686.20 × 161,794,961.20 - Step 4: Simplify right side
355,983,502.60x = 86,420,300,829,303,168 - Step 5: Solve for x
x = 86,420,300,829,303,168/355,983,502.60 - Step 6: Final answer
x = 242,764,903.99
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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.