Finding the Fourth Proportional to 160,658,250.48, 221,799,430.04 and 122,910,395.58
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Solution
The fourth proportional to 160,658,250.48, 221,799,430.04 and 122,910,395.58 is: 169,685,998.72
Step by Step Solution
- Step 1: Write the proportion equation
160,658,250.48 : 221,799,430.04 = 122,910,395.58 : x - Step 2: Convert to fraction form
160,658,250.48/221,799,430.04 = 122,910,395.58/x - Step 3: Cross multiply
160,658,250.48x = 221,799,430.04 × 122,910,395.58 - Step 4: Simplify right side
160,658,250.48x = 27,261,455,685,020,384 - Step 5: Solve for x
x = 27,261,455,685,020,384/160,658,250.48 - Step 6: Final answer
x = 169,685,998.72
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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.