Finding the Fourth Proportional to 65,109,408.37, 97,643,543.01 and 21,382,961.68
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Solution
The fourth proportional to 65,109,408.37, 97,643,543.01 and 21,382,961.68 is: 32,067,687.16
Step by Step Solution
- Step 1: Write the proportion equation
65,109,408.37 : 97,643,543.01 = 21,382,961.68 : x - Step 2: Convert to fraction form
65,109,408.37/97,643,543.01 = 21,382,961.68/x - Step 3: Cross multiply
65,109,408.37x = 97,643,543.01 × 21,382,961.68 - Step 4: Simplify right side
65,109,408.37x = 2,087,908,138,482,262 - Step 5: Solve for x
x = 2,087,908,138,482,262/65,109,408.37 - Step 6: Final answer
x = 32,067,687.16
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.