Finding the Fourth Proportional to 98,278,567.12, 147,220,482.84 and 48,945,808.72
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Solution
The fourth proportional to 98,278,567.12, 147,220,482.84 and 48,945,808.72 is: 73,320,417.71
Step by Step Solution
- Step 1: Write the proportion equation
98,278,567.12 : 147,220,482.84 = 48,945,808.72 : x - Step 2: Convert to fraction form
98,278,567.12/147,220,482.84 = 48,945,808.72/x - Step 3: Cross multiply
98,278,567.12x = 147,220,482.84 × 48,945,808.72 - Step 4: Simplify right side
98,278,567.12x = 7,205,825,592,752,682 - Step 5: Solve for x
x = 7,205,825,592,752,682/98,278,567.12 - Step 6: Final answer
x = 73,320,417.71
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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.