Finding the Fourth Proportional to 75,563,851.98, 113,341,514.54 and 33,486,426.08
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Solution
The fourth proportional to 75,563,851.98, 113,341,514.54 and 33,486,426.08 is: 50,227,749.76
Step by Step Solution
- Step 1: Write the proportion equation
75,563,851.98 : 113,341,514.54 = 33,486,426.08 : x - Step 2: Convert to fraction form
75,563,851.98/113,341,514.54 = 33,486,426.08/x - Step 3: Cross multiply
75,563,851.98x = 113,341,514.54 × 33,486,426.08 - Step 4: Simplify right side
75,563,851.98x = 3,795,402,248,438,955 - Step 5: Solve for x
x = 3,795,402,248,438,955/75,563,851.98 - Step 6: Final answer
x = 50,227,749.76
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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.