Finding the Fourth Proportional to 160,497,009.09, 221,553,673.34 and 108,356,669.19
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Solution
The fourth proportional to 160,497,009.09, 221,553,673.34 and 108,356,669.19 is: 149,577,977.97
Step by Step Solution
- Step 1: Write the proportion equation
160,497,009.09 : 221,553,673.34 = 108,356,669.19 : x - Step 2: Convert to fraction form
160,497,009.09/221,553,673.34 = 108,356,669.19/x - Step 3: Cross multiply
160,497,009.09x = 221,553,673.34 × 108,356,669.19 - Step 4: Simplify right side
160,497,009.09x = 24,006,818,089,389,920 - Step 5: Solve for x
x = 24,006,818,089,389,920/160,497,009.09 - Step 6: Final answer
x = 149,577,977.97
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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.