Finding the Fourth Proportional to 62,143,008.84, 85,794,097.73 and 55,248,414.93
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Solution
The fourth proportional to 62,143,008.84, 85,794,097.73 and 55,248,414.93 is: 76,275,481.32
Step by Step Solution
- Step 1: Write the proportion equation
62,143,008.84 : 85,794,097.73 = 55,248,414.93 : x - Step 2: Convert to fraction form
62,143,008.84/85,794,097.73 = 55,248,414.93/x - Step 3: Cross multiply
62,143,008.84x = 85,794,097.73 × 55,248,414.93 - Step 4: Simplify right side
62,143,008.84x = 4,739,987,909,655,769 - Step 5: Solve for x
x = 4,739,987,909,655,769/62,143,008.84 - Step 6: Final answer
x = 76,275,481.32
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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.