Finding the Fourth Proportional to 97,887,886.20, 146,827,163.70 and 33,185,345.40
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Solution
The fourth proportional to 97,887,886.20, 146,827,163.70 and 33,185,345.40 is: 49,776,436.40
Step by Step Solution
- Step 1: Write the proportion equation
97,887,886.20 : 146,827,163.70 = 33,185,345.40 : x - Step 2: Convert to fraction form
97,887,886.20/146,827,163.70 = 33,185,345.40/x - Step 3: Cross multiply
97,887,886.20x = 146,827,163.70 × 33,185,345.40 - Step 4: Simplify right side
97,887,886.20x = 4,872,510,141,486,841 - Step 5: Solve for x
x = 4,872,510,141,486,841/97,887,886.20 - Step 6: Final answer
x = 49,776,436.40
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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.