Finding the Fourth Proportional to 245,126,035.98, 338,268,888.18 and 133,615,921.50
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Solution
The fourth proportional to 245,126,035.98, 338,268,888.18 and 133,615,921.50 is: 184,387,223.61
Step by Step Solution
- Step 1: Write the proportion equation
245,126,035.98 : 338,268,888.18 = 133,615,921.50 : x - Step 2: Convert to fraction form
245,126,035.98/338,268,888.18 = 133,615,921.50/x - Step 3: Cross multiply
245,126,035.98x = 338,268,888.18 × 133,615,921.50 - Step 4: Simplify right side
245,126,035.98x = 45,198,109,208,951,160 - Step 5: Solve for x
x = 45,198,109,208,951,160/245,126,035.98 - Step 6: Final answer
x = 184,387,223.61
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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.