Finding the Fourth Proportional to 66,444,649.70, 99,666,974.55 and 66,444,649.70
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Solution
The fourth proportional to 66,444,649.70, 99,666,974.55 and 66,444,649.70 is: 99,666,974.55
Step by Step Solution
- Step 1: Write the proportion equation
66,444,649.70 : 99,666,974.55 = 66,444,649.70 : x - Step 2: Convert to fraction form
66,444,649.70/99,666,974.55 = 66,444,649.70/x - Step 3: Cross multiply
66,444,649.70x = 99,666,974.55 × 66,444,649.70 - Step 4: Simplify right side
66,444,649.70x = 6,622,337,210,633,565 - Step 5: Solve for x
x = 6,622,337,210,633,565/66,444,649.70 - Step 6: Final answer
x = 99,666,974.55
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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.