Finding the Fourth Proportional to 71,900,518.84, 99,241,170.78 and 44,382,635.08
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Solution
The fourth proportional to 71,900,518.84, 99,241,170.78 and 44,382,635.08 is: 61,259,428.15
Step by Step Solution
- Step 1: Write the proportion equation
71,900,518.84 : 99,241,170.78 = 44,382,635.08 : x - Step 2: Convert to fraction form
71,900,518.84/99,241,170.78 = 44,382,635.08/x - Step 3: Cross multiply
71,900,518.84x = 99,241,170.78 × 44,382,635.08 - Step 4: Simplify right side
71,900,518.84x = 4,404,584,667,640,699 - Step 5: Solve for x
x = 4,404,584,667,640,699/71,900,518.84 - Step 6: Final answer
x = 61,259,428.15
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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.