Finding the Fourth Proportional to 75,957,670.13, 113,936,506.59 and 18,449,553.74
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Solution
The fourth proportional to 75,957,670.13, 113,936,506.59 and 18,449,553.74 is: 27,674,330.95
Step by Step Solution
- Step 1: Write the proportion equation
75,957,670.13 : 113,936,506.59 = 18,449,553.74 : x - Step 2: Convert to fraction form
75,957,670.13/113,936,506.59 = 18,449,553.74/x - Step 3: Cross multiply
75,957,670.13x = 113,936,506.59 × 18,449,553.74 - Step 4: Simplify right side
75,957,670.13x = 2,102,077,701,280,069 - Step 5: Solve for x
x = 2,102,077,701,280,069/75,957,670.13 - Step 6: Final answer
x = 27,674,330.95
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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.