Finding the Fourth Proportional to 247,195,099.13, 372,272,405.26 and 225,130,291.59
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Solution
The fourth proportional to 247,195,099.13, 372,272,405.26 and 225,130,291.59 is: 339,043,109.84
Step by Step Solution
- Step 1: Write the proportion equation
247,195,099.13 : 372,272,405.26 = 225,130,291.59 : x - Step 2: Convert to fraction form
247,195,099.13/372,272,405.26 = 225,130,291.59/x - Step 3: Cross multiply
247,195,099.13x = 372,272,405.26 × 225,130,291.59 - Step 4: Simplify right side
247,195,099.13x = 83,809,795,147,094,448 - Step 5: Solve for x
x = 83,809,795,147,094,448/247,195,099.13 - Step 6: Final answer
x = 339,043,109.84
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.