Finding the Fourth Proportional to 71,670,997.69, 98,914,373.58 and 40,735,817.08
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Solution
The fourth proportional to 71,670,997.69, 98,914,373.58 and 40,735,817.08 is: 56,220,200.06
Step by Step Solution
- Step 1: Write the proportion equation
71,670,997.69 : 98,914,373.58 = 40,735,817.08 : x - Step 2: Convert to fraction form
71,670,997.69/98,914,373.58 = 40,735,817.08/x - Step 3: Cross multiply
71,670,997.69x = 98,914,373.58 × 40,735,817.08 - Step 4: Simplify right side
71,670,997.69x = 4,029,357,828,737,664.50 - Step 5: Solve for x
x = 4,029,357,828,737,664.50/71,670,997.69 - Step 6: Final answer
x = 56,220,200.06
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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.