Finding the Fourth Proportional to 71,670,995.19, 98,914,370.13 and 40,735,814.58
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Solution
The fourth proportional to 71,670,995.19, 98,914,370.13 and 40,735,814.58 is: 56,220,196.61
Step by Step Solution
- Step 1: Write the proportion equation
71,670,995.19 : 98,914,370.13 = 40,735,814.58 : x - Step 2: Convert to fraction form
71,670,995.19/98,914,370.13 = 40,735,814.58/x - Step 3: Cross multiply
71,670,995.19x = 98,914,370.13 × 40,735,814.58 - Step 4: Simplify right side
71,670,995.19x = 4,029,357,440,913,170 - Step 5: Solve for x
x = 4,029,357,440,913,170/71,670,995.19 - Step 6: Final answer
x = 56,220,196.61
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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.