Finding the Fourth Proportional to 166,665,702.48, 249,998,580.99 and 69,568,442.07
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Solution
The fourth proportional to 166,665,702.48, 249,998,580.99 and 69,568,442.07 is: 104,352,674.49
Step by Step Solution
- Step 1: Write the proportion equation
166,665,702.48 : 249,998,580.99 = 69,568,442.07 : x - Step 2: Convert to fraction form
166,665,702.48/249,998,580.99 = 69,568,442.07/x - Step 3: Cross multiply
166,665,702.48x = 249,998,580.99 × 69,568,442.07 - Step 4: Simplify right side
166,665,702.48x = 17,392,011,799,185,018 - Step 5: Solve for x
x = 17,392,011,799,185,018/166,665,702.48 - Step 6: Final answer
x = 104,352,674.49
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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.