Finding the Fourth Proportional to 73,309,925,427.09, 109,905,546,387.68 and 22,919,421,213.02
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Solution
The fourth proportional to 73,309,925,427.09, 109,905,546,387.68 and 22,919,421,213.02 is: 34,360,579,370.82
Step by Step Solution
- Step 1: Write the proportion equation
73,309,925,427.09 : 109,905,546,387.68 = 22,919,421,213.02 : x - Step 2: Convert to fraction form
73,309,925,427.09/109,905,546,387.68 = 22,919,421,213.02/x - Step 3: Cross multiply
73,309,925,427.09x = 109,905,546,387.68 × 22,919,421,213.02 - Step 4: Simplify right side
73,309,925,427.09x = 2,518,971,511,306,126,884,864 - Step 5: Solve for x
x = 2,518,971,511,306,126,884,864/73,309,925,427.09 - Step 6: Final answer
x = 34,360,579,370.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.