Finding the Fourth Proportional to 99,665,053.70, 149,497,580.55 and 65,227,676.90
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Solution
The fourth proportional to 99,665,053.70, 149,497,580.55 and 65,227,676.90 is: 97,841,515.35
Step by Step Solution
- Step 1: Write the proportion equation
99,665,053.70 : 149,497,580.55 = 65,227,676.90 : x - Step 2: Convert to fraction form
99,665,053.70/149,497,580.55 = 65,227,676.90/x - Step 3: Cross multiply
99,665,053.70x = 149,497,580.55 × 65,227,676.90 - Step 4: Simplify right side
99,665,053.70x = 9,751,379,881,447,124 - Step 5: Solve for x
x = 9,751,379,881,447,124/99,665,053.70 - Step 6: Final answer
x = 97,841,515.35
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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.