Finding the Fourth Proportional to 239,254,878.06, 330,163,568.64 and 131,968,451.88
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Solution
The fourth proportional to 239,254,878.06, 330,163,568.64 and 131,968,451.88 is: 182,111,960.99
Step by Step Solution
- Step 1: Write the proportion equation
239,254,878.06 : 330,163,568.64 = 131,968,451.88 : x - Step 2: Convert to fraction form
239,254,878.06/330,163,568.64 = 131,968,451.88/x - Step 3: Cross multiply
239,254,878.06x = 330,163,568.64 × 131,968,451.88 - Step 4: Simplify right side
239,254,878.06x = 43,571,175,020,596,912 - Step 5: Solve for x
x = 43,571,175,020,596,912/239,254,878.06 - Step 6: Final answer
x = 182,111,960.99
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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.