Finding the Fourth Proportional to 50,148,370.07, 69,175,430.35 and 31,534,050.05
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Solution
The fourth proportional to 50,148,370.07, 69,175,430.35 and 31,534,050.05 is: 43,498,551.99
Step by Step Solution
- Step 1: Write the proportion equation
50,148,370.07 : 69,175,430.35 = 31,534,050.05 : x - Step 2: Convert to fraction form
50,148,370.07/69,175,430.35 = 31,534,050.05/x - Step 3: Cross multiply
50,148,370.07x = 69,175,430.35 × 31,534,050.05 - Step 4: Simplify right side
50,148,370.07x = 2,181,381,482,887,189 - Step 5: Solve for x
x = 2,181,381,482,887,189/50,148,370.07 - Step 6: Final answer
x = 43,498,551.99
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1.5x scale
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.