Finding the Fourth Proportional to 171,504,282.70, 257,256,424.05 and 146,845,420.30
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Solution
The fourth proportional to 171,504,282.70, 257,256,424.05 and 146,845,420.30 is: 220,268,130.45
Step by Step Solution
- Step 1: Write the proportion equation
171,504,282.70 : 257,256,424.05 = 146,845,420.30 : x - Step 2: Convert to fraction form
171,504,282.70/257,256,424.05 = 146,845,420.30/x - Step 3: Cross multiply
171,504,282.70x = 257,256,424.05 × 146,845,420.30 - Step 4: Simplify right side
171,504,282.70x = 37,776,927,714,497,280 - Step 5: Solve for x
x = 37,776,927,714,497,280/171,504,282.70 - Step 6: Final answer
x = 220,268,130.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.