Finding the Fourth Proportional to 88,723,809.12, 132,966,753.19 and 69,051,690.82
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Solution
The fourth proportional to 88,723,809.12, 132,966,753.19 and 69,051,690.82 is: 103,484,952.02
Step by Step Solution
- Step 1: Write the proportion equation
88,723,809.12 : 132,966,753.19 = 69,051,690.82 : x - Step 2: Convert to fraction form
88,723,809.12/132,966,753.19 = 69,051,690.82/x - Step 3: Cross multiply
88,723,809.12x = 132,966,753.19 × 69,051,690.82 - Step 4: Simplify right side
88,723,809.12x = 9,181,579,129,860,770 - Step 5: Solve for x
x = 9,181,579,129,860,770/88,723,809.12 - Step 6: Final answer
x = 103,484,952.02
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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.