Finding the Fourth Proportional to 109,568,129.80, 164,352,194.70 and 55,820,417.80
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Solution
The fourth proportional to 109,568,129.80, 164,352,194.70 and 55,820,417.80 is: 83,730,626.70
Step by Step Solution
- Step 1: Write the proportion equation
109,568,129.80 : 164,352,194.70 = 55,820,417.80 : x - Step 2: Convert to fraction form
109,568,129.80/164,352,194.70 = 55,820,417.80/x - Step 3: Cross multiply
109,568,129.80x = 164,352,194.70 × 55,820,417.80 - Step 4: Simplify right side
109,568,129.80x = 9,174,208,174,500,944 - Step 5: Solve for x
x = 9,174,208,174,500,944/109,568,129.80 - Step 6: Final answer
x = 83,730,626.70
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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.