Finding the Fourth Proportional to 62,132,292.42, 85,707,009.81 and 38,887,063.08
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Solution
The fourth proportional to 62,132,292.42, 85,707,009.81 and 38,887,063.08 is: 53,641,894.85
Step by Step Solution
- Step 1: Write the proportion equation
62,132,292.42 : 85,707,009.81 = 38,887,063.08 : x - Step 2: Convert to fraction form
62,132,292.42/85,707,009.81 = 38,887,063.08/x - Step 3: Cross multiply
62,132,292.42x = 85,707,009.81 × 38,887,063.08 - Step 4: Simplify right side
62,132,292.42x = 3,332,893,896,879,649 - Step 5: Solve for x
x = 3,332,893,896,879,649/62,132,292.42 - Step 6: Final answer
x = 53,641,894.85
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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.