Finding the Fourth Proportional to 163,738,802.09, 225,979,361.19 and 93,191,565.76
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Solution
The fourth proportional to 163,738,802.09, 225,979,361.19 and 93,191,565.76 is: 128,615,638.01
Step by Step Solution
- Step 1: Write the proportion equation
163,738,802.09 : 225,979,361.19 = 93,191,565.76 : x - Step 2: Convert to fraction form
163,738,802.09/225,979,361.19 = 93,191,565.76/x - Step 3: Cross multiply
163,738,802.09x = 225,979,361.19 × 93,191,565.76 - Step 4: Simplify right side
163,738,802.09x = 21,059,370,497,144,820 - Step 5: Solve for x
x = 21,059,370,497,144,820/163,738,802.09 - Step 6: Final answer
x = 128,615,638.01
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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.