Finding the Fourth Proportional to 197,199,376.74, 272,126,964.48 and 107,890,882.74
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Solution
The fourth proportional to 197,199,376.74, 272,126,964.48 and 107,890,882.74 is: 148,884,945.28
Step by Step Solution
- Step 1: Write the proportion equation
197,199,376.74 : 272,126,964.48 = 107,890,882.74 : x - Step 2: Convert to fraction form
197,199,376.74/272,126,964.48 = 107,890,882.74/x - Step 3: Cross multiply
197,199,376.74x = 272,126,964.48 × 107,890,882.74 - Step 4: Simplify right side
197,199,376.74x = 29,360,018,415,103,824 - Step 5: Solve for x
x = 29,360,018,415,103,824/197,199,376.74 - Step 6: Final answer
x = 148,884,945.28
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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.