Finding the Fourth Proportional to 70,220,771.16, 96,904,823.63 and 38,861,102.05
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Solution
The fourth proportional to 70,220,771.16, 96,904,823.63 and 38,861,102.05 is: 53,628,409.06
Step by Step Solution
- Step 1: Write the proportion equation
70,220,771.16 : 96,904,823.63 = 38,861,102.05 : x - Step 2: Convert to fraction form
70,220,771.16/96,904,823.63 = 38,861,102.05/x - Step 3: Cross multiply
70,220,771.16x = 96,904,823.63 × 38,861,102.05 - Step 4: Simplify right side
70,220,771.16x = 3,765,828,240,222,681 - Step 5: Solve for x
x = 3,765,828,240,222,681/70,220,771.16 - Step 6: Final answer
x = 53,628,409.06
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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.