Finding the Fourth Proportional to 127,983,674.80, 176,567,216.10 and 74,329,201.84
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Solution
The fourth proportional to 127,983,674.80, 176,567,216.10 and 74,329,201.84 is: 102,545,111.82
Step by Step Solution
- Step 1: Write the proportion equation
127,983,674.80 : 176,567,216.10 = 74,329,201.84 : x - Step 2: Convert to fraction form
127,983,674.80/176,567,216.10 = 74,329,201.84/x - Step 3: Cross multiply
127,983,674.80x = 176,567,216.10 × 74,329,201.84 - Step 4: Simplify right side
127,983,674.80x = 13,124,100,243,823,798 - Step 5: Solve for x
x = 13,124,100,243,823,798/127,983,674.80 - Step 6: Final answer
x = 102,545,111.82
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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.