Finding the Fourth Proportional to 68,346,603.70, 102,519,905.55 and 27,943,659.70
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Solution
The fourth proportional to 68,346,603.70, 102,519,905.55 and 27,943,659.70 is: 41,915,489.55
Step by Step Solution
- Step 1: Write the proportion equation
68,346,603.70 : 102,519,905.55 = 27,943,659.70 : x - Step 2: Convert to fraction form
68,346,603.70/102,519,905.55 = 27,943,659.70/x - Step 3: Cross multiply
68,346,603.70x = 102,519,905.55 × 27,943,659.70 - Step 4: Simplify right side
68,346,603.70x = 2,864,781,353,165,341 - Step 5: Solve for x
x = 2,864,781,353,165,341/68,346,603.70 - Step 6: Final answer
x = 41,915,489.55
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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.