Finding the Fourth Proportional to 151,524,533.96, 208,964,406.60 and 99,294,599.96
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Solution
The fourth proportional to 151,524,533.96, 208,964,406.60 and 99,294,599.96 is: 136,935,165.66
Step by Step Solution
- Step 1: Write the proportion equation
151,524,533.96 : 208,964,406.60 = 99,294,599.96 : x - Step 2: Convert to fraction form
151,524,533.96/208,964,406.60 = 99,294,599.96/x - Step 3: Cross multiply
151,524,533.96x = 208,964,406.60 × 99,294,599.96 - Step 4: Simplify right side
151,524,533.96x = 20,749,037,159,225,780 - Step 5: Solve for x
x = 20,749,037,159,225,780/151,524,533.96 - Step 6: Final answer
x = 136,935,165.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.