Finding the Fourth Proportional to 159,859,646.04, 220,611,660.84 and 97,968,032.04
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Solution
The fourth proportional to 159,859,646.04, 220,611,660.84 and 97,968,032.04 is: 135,199,162.47
Step by Step Solution
- Step 1: Write the proportion equation
159,859,646.04 : 220,611,660.84 = 97,968,032.04 : x - Step 2: Convert to fraction form
159,859,646.04/220,611,660.84 = 97,968,032.04/x - Step 3: Cross multiply
159,859,646.04x = 220,611,660.84 × 97,968,032.04 - Step 4: Simplify right side
159,859,646.04x = 21,612,890,257,570,736 - Step 5: Solve for x
x = 21,612,890,257,570,736/159,859,646.04 - Step 6: Final answer
x = 135,199,162.47
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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.