Finding the Fourth Proportional to 312,046,120.80, 430,637,608.08 and 170,927,272.80
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Solution
The fourth proportional to 312,046,120.80, 430,637,608.08 and 170,927,272.80 is: 235,887,283.99
Step by Step Solution
- Step 1: Write the proportion equation
312,046,120.80 : 430,637,608.08 = 170,927,272.80 : x - Step 2: Convert to fraction form
312,046,120.80/430,637,608.08 = 170,927,272.80/x - Step 3: Cross multiply
312,046,120.80x = 430,637,608.08 × 170,927,272.80 - Step 4: Simplify right side
312,046,120.80x = 73,607,711,914,229,648 - Step 5: Solve for x
x = 73,607,711,914,229,648/312,046,120.80 - Step 6: Final answer
x = 235,887,283.99
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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.