Finding the Fourth Proportional to 213,779,896.80, 295,019,686.80 and 115,994,752.80
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Solution
The fourth proportional to 213,779,896.80, 295,019,686.80 and 115,994,752.80 is: 160,074,619.52
Step by Step Solution
- Step 1: Write the proportion equation
213,779,896.80 : 295,019,686.80 = 115,994,752.80 : x - Step 2: Convert to fraction form
213,779,896.80/295,019,686.80 = 115,994,752.80/x - Step 3: Cross multiply
213,779,896.80x = 295,019,686.80 × 115,994,752.80 - Step 4: Simplify right side
213,779,896.80x = 34,220,735,641,499,424 - Step 5: Solve for x
x = 34,220,735,641,499,424/213,779,896.80 - Step 6: Final answer
x = 160,074,619.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.