Finding the Fourth Proportional to 254,043,055.58, 350,558,340.63 and 142,518,644.06
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Solution
The fourth proportional to 254,043,055.58, 350,558,340.63 and 142,518,644.06 is: 196,663,905.09
Step by Step Solution
- Step 1: Write the proportion equation
254,043,055.58 : 350,558,340.63 = 142,518,644.06 : x - Step 2: Convert to fraction form
254,043,055.58/350,558,340.63 = 142,518,644.06/x - Step 3: Cross multiply
254,043,055.58x = 350,558,340.63 × 142,518,644.06 - Step 4: Simplify right side
254,043,055.58x = 49,961,099,370,511,208 - Step 5: Solve for x
x = 49,961,099,370,511,208/254,043,055.58 - Step 6: Final answer
x = 196,663,905.09
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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.