Finding the Fourth Proportional to 77,555,072.17, 107,024,722 and 42,751,000.99
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Solution
The fourth proportional to 77,555,072.17, 107,024,722 and 42,751,000.99 is: 58,995,677.11
Step by Step Solution
- Step 1: Write the proportion equation
77,555,072.17 : 107,024,722 = 42,751,000.99 : x - Step 2: Convert to fraction form
77,555,072.17/107,024,722 = 42,751,000.99/x - Step 3: Cross multiply
77,555,072.17x = 107,024,722 × 42,751,000.99 - Step 4: Simplify right side
77,555,072.17x = 4,575,413,996,176,475 - Step 5: Solve for x
x = 4,575,413,996,176,475/77,555,072.17 - Step 6: Final answer
x = 58,995,677.11
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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.