Finding the Fourth Proportional to 128,110,182.51, 192,084,524.25 and 108,686,210.79
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Solution
The fourth proportional to 128,110,182.51, 192,084,524.25 and 108,686,210.79 is: 162,960,809.85
Step by Step Solution
- Step 1: Write the proportion equation
128,110,182.51 : 192,084,524.25 = 108,686,210.79 : x - Step 2: Convert to fraction form
128,110,182.51/192,084,524.25 = 108,686,210.79/x - Step 3: Cross multiply
128,110,182.51x = 192,084,524.25 × 108,686,210.79 - Step 4: Simplify right side
128,110,182.51x = 20,876,939,092,132,368 - Step 5: Solve for x
x = 20,876,939,092,132,368/128,110,182.51 - Step 6: Final answer
x = 162,960,809.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.