Finding the Fourth Proportional to 169,605,513.56, 254,188,318.11 and 76,163,488.20
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Solution
The fourth proportional to 169,605,513.56, 254,188,318.11 and 76,163,488.20 is: 114,146,459.99
Step by Step Solution
- Step 1: Write the proportion equation
169,605,513.56 : 254,188,318.11 = 76,163,488.20 : x - Step 2: Convert to fraction form
169,605,513.56/254,188,318.11 = 76,163,488.20/x - Step 3: Cross multiply
169,605,513.56x = 254,188,318.11 × 76,163,488.20 - Step 4: Simplify right side
169,605,513.56x = 19,359,868,966,948,832 - Step 5: Solve for x
x = 19,359,868,966,948,832/169,605,513.56 - Step 6: Final answer
x = 114,146,459.99
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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.