Finding the Fourth Proportional to 69,556,281.80, 104,334,422.70 and 53,413,305.80
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Solution
The fourth proportional to 69,556,281.80, 104,334,422.70 and 53,413,305.80 is: 80,119,958.70
Step by Step Solution
- Step 1: Write the proportion equation
69,556,281.80 : 104,334,422.70 = 53,413,305.80 : x - Step 2: Convert to fraction form
69,556,281.80/104,334,422.70 = 53,413,305.80/x - Step 3: Cross multiply
69,556,281.80x = 104,334,422.70 × 53,413,305.80 - Step 4: Simplify right side
69,556,281.80x = 5,572,846,425,141,562 - Step 5: Solve for x
x = 5,572,846,425,141,562/69,556,281.80 - Step 6: Final answer
x = 80,119,958.70
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1.5x scale
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.