Finding the Fourth Proportional to 93,112,108.20, 128,489,647.14 and 51,288,022.26
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Solution
The fourth proportional to 93,112,108.20, 128,489,647.14 and 51,288,022.26 is: 70,774,682.37
Step by Step Solution
- Step 1: Write the proportion equation
93,112,108.20 : 128,489,647.14 = 51,288,022.26 : x - Step 2: Convert to fraction form
93,112,108.20/128,489,647.14 = 51,288,022.26/x - Step 3: Cross multiply
93,112,108.20x = 128,489,647.14 × 51,288,022.26 - Step 4: Simplify right side
93,112,108.20x = 6,589,979,882,695,865 - Step 5: Solve for x
x = 6,589,979,882,695,865/93,112,108.20 - Step 6: Final answer
x = 70,774,682.37
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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.