Finding the Fourth Proportional to 67,670,995.14, 93,383,556.61 and 38,301,697.08
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Solution
The fourth proportional to 67,670,995.14, 93,383,556.61 and 38,301,697.08 is: 52,854,974.13
Step by Step Solution
- Step 1: Write the proportion equation
67,670,995.14 : 93,383,556.61 = 38,301,697.08 : x - Step 2: Convert to fraction form
67,670,995.14/93,383,556.61 = 38,301,697.08/x - Step 3: Cross multiply
67,670,995.14x = 93,383,556.61 × 38,301,697.08 - Step 4: Simplify right side
67,670,995.14x = 3,576,748,697,529,251.50 - Step 5: Solve for x
x = 3,576,748,697,529,251.50/67,670,995.14 - Step 6: Final answer
x = 52,854,974.13
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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.