Finding the Fourth Proportional to 306,765,189.23, 423,346,407.81 and 181,424,829.38
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Solution
The fourth proportional to 306,765,189.23, 423,346,407.81 and 181,424,829.38 is: 250,372,442.84
Step by Step Solution
- Step 1: Write the proportion equation
306,765,189.23 : 423,346,407.81 = 181,424,829.38 : x - Step 2: Convert to fraction form
306,765,189.23/423,346,407.81 = 181,424,829.38/x - Step 3: Cross multiply
306,765,189.23x = 423,346,407.81 × 181,424,829.38 - Step 4: Simplify right side
306,765,189.23x = 76,805,549,803,448,416 - Step 5: Solve for x
x = 76,805,549,803,448,416/306,765,189.23 - Step 6: Final answer
x = 250,372,442.84
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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.